1.1.High power bulb series product adopts power and ultra bright LED bead as light source,the power supply uses intelligent constant current control circuit with high efficiency up to *2%.The shell is made of bicolour PA*6 flam retardant material and AL material.With new design and beautiful appearance,the product owns good heat dissipation with radiation area of ***0m㎡.the temperature of radiator shall be stable around *5℃**0°C within *0 minutes after lighted and the work temperature of LED chip shall be≤ *5℃ so that it ensures effective lighting and long service life of LED;the luminous flux of light is not less than *7% after lighted for ***0h and not less than *4% after lighted forprehensive energy loss and lighting effect,the the high power LED bulb saves more than 8 times of electricity with service life *0 times longer than traditional incandescent lamp.

f1.3.Ambient temperature **5℃**0℃.the daily average temperature is ≤**5℃ .

1.4.Humidity:the ambient relative humidity shall not exceed *0%**0℃ highest temperature,and lower relative hunidity is allowable at lower temperature (e.g.,*0% at *0℃),special measures shall be taken to accidental condensation due to temperature change.

1.5.Suitable for AC *0Hz/*0Hzand rate operating voltage of AC **0V and below,fluctuation of *5%~**0%.

1.6.Pollution class:Class 2.

1.7.Installation type:Class 1.

1.8.Protection class:IP*0.

1.9Used in medium where is free from explosive danger,and there's no sufficient gas rotting the metal and destroying the insulation as well as conductive dust in the medium.

1.*0.No obvious shake,impact or vibration.

1.*1.Complying with requirement of ROHS.

1.*2.It's applicable for factory ,school,mall,counter.air port,bus station,bank,office,hotel,inn,family and other places instead of traditional fluorescent lamp.