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 75g 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

Electrical Characteristics:
Power: 4W
Working Voltage: AC 85-135V OR AC 185-265V
Line Frequency: 50~60Hz
Working Temperature: -30C to +50C
Dimmable Version: Not available

General Characteristics:
Cap base: E27/E26/B22/E17/E14
Lamp Size: Dia60xH110mm
Lamp Weight: 75g
Material: Airlines Die-Cast Aluminum + PC
Average Lifetime: >40000 hours
Warranty: 2 Years
LED Type: MCOB (Multiple Chips & Cups on Board)