TEST REPORT ...: RSZ China. as above EN 62471:2008. China. Procedure deviation ...: N.A. No.1, China. Copy of. marking plate: None

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1 TEST REORT E 62471:2008 hotobiological safety of lamps and lamp systems Report reference o...: Compiled by (+ signature)...: Zero Gao Approved by (+ signature)...: Harrison Huang Date of issue...: Testing laboratory...: Bay Area Compliance Laboratories Corp. (Dongguan) Addresss...: o.69 ulong Village, uxinhuu Industry Zone, Tangxia, Dongguan, China. Testing location...: Same as above Applicant...: Hongli Zhihui Group Co.,Ltd. Addresss...: o.1, Xianke Yi Road, Huadong Town, Huadu District, Guangzhou, China Standard...: E 62471:2008 Test sample(s) received......: Test in period......: ~ rocedure deviation...:.a. on-standard test method...:.a. ote: The test data was only valid for the test sample(s). This test report is prepared for the customer shown above and for the specificc product described herein. It must not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Dongguan). Type of test object...: LED Trademark...:.A. Model/type reference...: HL-A-3528H415W-S1-13L-HR3 Manufacturer : Hongli Zhihui Group Co.,Ltd. o.1, Xianke Yi Road, Huadong Town, Huadu District, Guangzhou, China Rating...: Input: Vdc, 0.03A. Copy of marking plate: one age 1 of 15

2 Test item particulars Tested lamp...: LED Tested lamp system...:.a Lamp classification group...: Risk Group 1 Lamp cap...:.a Bulb...:.A Rated of the lamp...:.a Furthermore marking on the lamp...:.a. Seasoning of lamps according E standard...: o seasoning Used measurement instrument...: See appendix B for details Temperature by measurement...: 25.0 C Information for safety use...:.a ossible test case verdicts: -test case does not apply to the test object...:(.a.) -test object does meet the requirement...:(ass) -test object does not meet the requirement...:f(ail) General remarks: The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Issuing testing laboratory. "(See Enclosure #)" refers to additional information appended to the report. "(See appended table)" refers to a table appended to the report. Throughout this report a point is used as the decimal separator. List of test equipment must be kept on file and available for review. Remark: This report consists of 15 pages and following appendixes: Appendix A EUT photos Appendix B Test equipment list General roduct Information: This product is a LED and manufactured by Hongli Zhihui Group Co.,Ltd, Test model is HL-A- 3528H415W-S1-13L-HR3, rated input Vdc, 0.03A. age 2 of 15

3 E EXOSURE LIMITS Contents of the whole Clause 4 of E 62471: 2008 moved into a new informative Annex ZB Clause 4 replaced by the following: Limits of the Artificial Optical Radiation have been applied instead of those fixed in E 62471: 2008 See the Table 4.1 Annex ZB EXOSURE LIMITS 4.1 General The exposure limits in this standard is not less than 0,01 ms and not more than any 8-hour period and should be used as guides in the control of exposure Detailed spectral data of a light source are generally required only if the luminance of the source exceeds 10 4 cd m -2 >10 4 cd m Hazard exposure limits Actinic UV hazard exposure limit for the skin and eye The exposure limit for effective radiant exposure is 30 J.m -2 within any 8-hour period To protect against injury of the eye or skin from See the Table 6.1 ultraviolet radiation exposure produced by a broadband source, the effective integrated spectral irradiance, Es, of the light source shall not exceed the levels defined by: 400 ES t= Eλ(λ,t) s uv (λ) t λ 30 J m t The permissible time for exposure to ultraviolet radiation incident upon the unprotected eye or skin shall be computed by: t max =30/E s t max =30/( )= s ear-uv hazard exposure limit for eye For the spectral region 315 nm to 400 nm (UV-A) the total radiant exposure to the eye shall not exceed J.m -2 for exposure times less than 1000s. For exposure times greater than 1000 s (approximately 16 minutes) the UV-A irradiance for the unprotected eye, E UVA, shall not exceed 10 W m -2 The permissible time for exposure to ultraviolet radiation incident upon the unprotected eye for time less than 1000 s, shall be computed by: t max 10000/E UVA s See the Table 6.1 age 3 of 15

4 E Retinal blue light hazard exposure limit To protect against retinal photochemical injury from chronic blue-light exposure, the integrated spectral radiance of the light source weighted against the blue-light hazard function, B(_), i.e., the blue-light weighted radiance, LB, shall not exceed the levels defined by: 700 LB t= Lλ(λ,t) B(λ) t λ J m -2 sr 300 t LB = Lλ B(λ) λ 100 W m -2 sr 300 See the Table Retinal blue light hazard exposure limit small source Thus the spectral irradiance at the eye E_, weighted against the blue-light hazard function B(_) shall not exceed the levels defined by: see table 4.2 α= rad 700 EB t= Eλ(λ,t) B(λ) t λ 100 J m t 700 See the Table 6.1 EB = Eλ B(λ) λ 1 W m Retinal thermal hazard exposure limit To protect against retinal thermal injury, the integrated spectral radiance of the light source, L_, weighted by the burn hazard weighting function R(_) (from Figure 4.2 and Table 4.2), i.e., the burn hazard weighted radiance, shall not exceed the levels defined by: See the Table Retinal thermal hazard exposure limit weak visual stimulus For an infrared heat lamp or any near-infrared source where a weak visual stimulus is inadequate to activate the aversion response, the near infrared (780 nm to 1400 nm) radiance, LIR, as viewed by the eye for exposure times greater than 10 s shall be limited to: See the Table 6.1 age 4 of 15

5 E Infrared radiation hazard exposure limits for the eye The avoid thermal injury of the cornea and possible delayed effects upon the lens of the eye (cataractogenesis),ocular exposure to infrared radiation, EIR,over the wavelength range 780 nm to 3000 nm, for times less than 1000 s, shall not exceed: For times greater than 1000 s the limit becomes: See the Table Thermal hazard exposure limit for the skin Visible and infrared radiant exposure (380 nm to 3000 nm) of the skin shall be limited to: E H t= 2.5x10-1 W m -2 X10s=2.5J m -2 5 MEASUREMET OF LAMS AD LAM SYSTEMS 5.1 Measurement conditions Measurement conditions shall be reported as part of the evaluation against the exposure limits and the assignment of risk classification Lamp ageing (seasoning) 30 min. Seasoning of lamps shall be done as stated in the Appropriate E lamp standard Test environment 25.0 For specific test conditions, see the appropriate E lamp standard or in absence of such standards, the appropriate national standards or manufacturer s recommendations Extraneous radiation Careful checks should be made to ensure that extraneous sources of radiation and reflections do not add significantly to the measurement results Lamp operation age 5 of 15

6 E Operation of the test lamp shall be provided in accordance with: the appropriate E lamp standard, or the manufacturer s recommendation Lamp system operation The power source for operation of the test lamp shall be provided in accordance with: the appropriate E standard, or the manufacturer s recommendation 5.2 Measurement procedure Irradiance measurements Minimum aperture diameter 7mm. Maximum aperture diameter 50 mm. The measurement shall be made in that position of the beam giving the maximum reading. The measurement instrument is adequate calibrated. See appendix B Radiance measurements Standard method The measurements made with an optical system. The instrument shall be calibrated to read in absolute radiant power per unit receiving area and per unit solid angle to acceptance averaged over the field of view of the instrument Alternative method Alternatively to an imaging radiance set-up, an irradiance measurement set-up with a circular field stop placed at the source can be used to perform radiance measurements Measurement of source size The determination of α, the angle subtended by a α=0.0025rad source, requires the determination of the 50% emission points of the source ulse width measurement for pulsed sources The determination of t, the nominal pulse duration of a source, requires the determination of the time during which the emission is > 50% of its peak value. 5.3 Analysis methods Weighting curve interpolations To standardize interpolated values, use linear see table 4.1 interpolation on the log of given values to obtain intermediate points at the wavelength intervals desired Calculations age 6 of 15

7 E The calculation of source hazard values shall be performed by weighting the spectral scan by the appropriate function and calculating the total weighted energy Measurement uncertainty The quality of all measurement results must be quantified by an analysis of the uncertainty. see Annex C in the norm. 6 LAM CLASSIFICATIO For the purposes of this standard it was decided that the values shall be reported as follows: for lamps intended for general lighting service, Measured at distance of the hazard values shall be reported as either 200.0mm irradiance or radiance values at a distance which produces an illuminance of 500 lux, but not at a distance less than 200 mm for all other light sources, including pulsed lamp sources, the hazard values shall be reported at a distance of 200 mm 6.1 Continuous wave lamps Exempt Group In the except group are lamps, which does not pose any photobiological hazard. The requirement is met by any lamp that does not pose: an actinic ultraviolet hazard (ES) within 8-hours exposure (30000 s), nor a near-uv hazard (EUVA) within 1000 s, (about 16 min), nor a retinal blue-light hazard (LB) within s (about 2,8 h), nor a retinal thermal hazard (LR) within 10 s, nor an infrared radiation hazard for the eye (EIR) within 1000 s Risk Group 1 (Low-Risk) In this group are lamps, which exceeds the limits for the except group but that does not pose: an actinic ultraviolet hazard (ES) within s, nor a near ultraviolet hazard (EUVA) within 300 s, nor a retinal blue-light hazard (LB) within 100 s, nor a retinal thermal hazard (LR) within 10 s, nor an infrared radiation hazard for the eye (EIR) within 100 s Lamps that emit infrared radiation without a strong visual stimulus and do not pose a near-infrared retinal hazard (LIR), within 100 s are in Risk Group Risk Group 2 (Moderate-Risk) age 7 of 15

8 E This requirement is met by any lamp that exceeds the limits for Risk Group 1, but that does not pose: an actinic ultraviolet hazard (ES) within 1000 s exposure, nor a near ultraviolet hazard (EUVA) within 100 s, nor a retinal blue-light hazard (LB) within 0,25 s (aversion response), nor a retinal thermal hazard (LR) within 0,25 s (aversion response), nor an infrared radiation hazard for the eye (EIR) within 10 s Lamps that emit infrared radiation without a strong visual stimulus and do not pose a near-infrared retinal hazard (LIR), within 10 s are in Risk Group Risk Group 3 (High-Risk) Lamps which exceed the limits for Risk Group 2 are in Group ulsed lamps ulse lamp criteria shall apply to a single pulse and to any group of pulses within 0,25 s. A pulsed lamp shall be evaluated at the highest nominal energy loading as specified by the manufacturer. The risk group determination of the lamp being tested shall be made as follows: a lamp that exceeds the exposure limit shall be classified as belonging to Risk Group 3 (High- Risk) for single pulsed lamps, a lamp whose weighted radiant exposure or weighted radiance does is below the EL shall be classified as belonging to the Exempt Group for repetitively pulsed lamps, a lamp whose weighted radiant exposure or weighted radiance dose is below the EL, shall be evaluated using the continuous wave risk criteria discussed in clause 6.1, using time averaged values of the pulsed emission age 8 of 15

9 E Table 4.1 Spectral weighting function for assessing ultraviolet hazards for skin and eye - Wavelength 1 λ, nm UV hazard function S UV (λ) Wavelength λ, nm UV hazard function S UV (λ) 200 0, * 0, , , , , , , , , , , , , , , , , , , , , * 0, , , * 0, , , , , , , , , * 0, , , , , * 0, , , * 0, , , , * 0, , , , , , , , Wavelengths chosen are representative: other values should be obtained by logarithmic interpolation at intermediate wavelengths. * Emission lines of a mercury discharge spectrum. age 9 of 15

10 E Table 4.2 Spectral weighting functions for assessing retinal hazards from broadband optical sources Wavelength Blue-light hazard function Burn hazard function nm B( ) R( ) 300 0, , , , , , , , , , , , , , , , ,01 0, ,013 0, ,025 0, ,05 0, ,10 1, ,20 2, ,40 4, , ,90 8,0 9, ,95 9, ,98 9, ,00 10, ,00 10, ,97 9, ,94 9, ,90 9, ,80 8, ,70 7, ,62 6, , ,45 5,5 4, ,40 4, ,22 2, ,16 1, [(450-λ)/50] 1, ,001 1, , [(700-λ)/500] ,025 0, ,05 0, (1150-λ) ,10 0,02 * 1 Wavelengths chosen are representative: other values should be obtained by logarithmic interpolationat - age 10 of 15

11 E intermediate wavelengths. * Emission lines of a mercury discharge spectrum. Table 5.4 Summary of the ELs for the surface of the skin or cornea (irradiance based values) Hazard Relevant Wavelength ame equation Range nm Actinic UV skin & eye Eye UV-A Blue-light small source E S = E λ S(λ) λ E UVA = E λ λ E B = E λ B(λ) λ Explosure aperture rad(deg) Limiting aperture rad(deg) - EL in items of constant irradiance W.m < ,4 (80) 30/t Eye IR E IR = E λ λ > > >1000 1,4 (80) < 0,011 1,4 (80) 10000/t /t 1, /t 0,75 Skin thermal E H = E λ λ < 10 2π sr 20000/t 0, Table 5.5 Summary of the ELs for the retina (radiance based values) - Hazard ame Blue light Retinal thermal Relevant equation L B = L λ B(λ) λ L R = L λ R(λ) λ Wavelength Range nm Explosure duration Sec 0, < 0,25 0,25 10 Field of view radians 0,011 (t/10) 0,011 0,0011 t 0,1 0,0017 0,011 (t/10) EL in terms of constant radiance W.m -2.sr -1 ) 10 6 /t 10 6 /t 10 6 /t /(α t 0,25 ) 50000/(α t 0,25 ) Retinal thermal (weak visual stimulus) L IR = L λ R(λ) λ > 10 0, /α age 11 of 15

12 E For E 62471(model HL-A-3528H415W-S1-13L-HR3): Table 6.1 Emission limits for risk groups of continuous wave lamps base on Directive(2006/25/EC) Risk Action spectrum Units Symbol Exempt Low risk Mod risk Limit Result Limit Result Limit Result Actinic UV Suv(λ) W.m -2 E S ear UV W.m -2 E UVA Blue light B(λ) W.m -2.sr -1 L B x Blue light,small source B(λ) W.m -2 E B x Retinal thermal R(λ) W.m -2.sr -1 L R Retinal thermal, Weak visual stimulus** IR radiation R(λ) W.m -2.sr -1 L IR 28000/α α= /α α= /α α= /α α= /α α= x /α α= W.m -2 E IR Eye * Small source defined as one withα< 0,011 radian. Averaging field of view at s is 0,1 radian. ** Involves evaluation of non-gls source OTE The action functions: see Table 4.1 and Table 4.2 The applicance apertuer diameters: see The limitations for the angular subtenses: see The related measurement condition and the range of acceptance angles: see Table age 12 of 15

13 Figure of Spectral distribution age 13 of 15

14 Appendix A - EUT hotos The front view of EUT The back view of EUT age 14 of 15

15 Appendix B Test equipment list Equipment Description Model o BACL# Manufacturer Last Cal Cal Due UV-VIS-near IR Spectrophotocolori meter Imaging luminance meter Radiation illuminance meter Radiation illuminance meter High Accuracy Array MS-2000 T-08-SF213 EVERFIE CX-2K RD-2000 RD-2000 HAAS-2000 T-08-SF140-1 T-08-SF140-2 T-08-SF140-3 T-08-SF140-4 EVERFIE EVERFIE EVERFIE EVERFIE Hygrothermograph WS280 T-08-QA026 /A Standard power UVS-8003 T-08-EE048 EVERFIE spectral UV radiation-specific 80mm sample SMS-300 F-08-SF130 EVERFIE integrating sphere Steel tape HILOCK-19 T-08-SF100 TAJIMA *** End of report *** age 15 of 15