3V LED Light 50mm Diameter Round COB Chip Double Ring LED Lamp 3.7V 5W LED Bulb for DIY Worklights House Decor Lighting

Parameters

Chips brand: Epistar
Meterial: Aluminum-alloy plate + Silicon Rubber
Power: 5-7W
Input Voltage: DC 3-4V
Max Current :1700mA
Luminous flux: 110LM/W
Light Color: Cold White (6500K), Day White (4200K), Warm White (3000K), R, G, B
COB size: 50mm diameter
Lighting area diameter: 42mm, 28mm
Low attenuation, 1000h attenuation<1%
Application: Car lights, Working lights, Emergency lights, Decorative lights, Indoor DIY COB LED lights..