led bulb

Strength ?
1. High luminous efficiency?? up to 100Lm/W for whole lamp
2. Patent Technology?? MCOB (Multiple Chips & Cups on Board) packaging mode
3. Withstand high voltage up to 4500V
4. With intellectual property rights
5. Light weight around 80g only
6. Good light consistency?? ±150K
7. Low luminous decay?? less than 1% for first 1000hours, less than 4% for first 3000hours, less than 6% for first 5000hours
8. Certifications?? CE,ROHS,GS,CB,EUP,SAA,IC,C-TICK,KC,FCC

Specifications ?
Light Technical Characteristics ?
Luminous Efficiency?? 90-105Lm/W(cool white), 80-90Lm/W(warm white)
Luminous Flux?? 360-420Lm (cool white), 320-360Lm (warm white)
Color Temperature?? 4500K-6500K(cool white),2700-3500K(warm white)
CRI?? >70Ra
Power Factor?? >0.5
Beam Angle?? >120
LED Brand?? EPISTAR
LED Type?? MCOB (Multiple Chips & Cups on Board)
Electrical Characteristics ?
Power?? 4W
Working Voltage?? AC 85-135V OR AC 185-265V
Line Frequency?? 50~60Hz
Working Temperature?? -30 °C to +50 °C
Dimmable Version?? Not available

General Characteristics ?
Cap Base?? E27/E26/B22/E17/E14
Lamp Size?? Dia60xH110mm
Lamp Weight?? 80g
Material?? Airlines Die-Cast Aluminum + PC
Average Lifetime?? >40000 hours
Warranty?? 2 Years

Construction of this LED Bulb

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