3V 4V Round COB LED Light 50mm Diameter Double Ring Cold White LED Lamp 3.7V 5W 7W COB Chip Bulb for DIY Work House Decor Lights
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3V 4V Round COB LED Light 50mm Diameter Double Ring Cold White LED Lamp 3.7V 5W 7W COB Chip Bulb for DIY Work House Decor Lights50-42 Round COB LED Lights :Chips brand: EpistarMeterial: Aluminum-alloy plate + Silicon RubberPower: 3-7WInput Voltage: DC 3-4VMax Current :1700mALuminous flux: 110LM/WLight Color: Cold White (6000-6500K), Natural white (4000-4500K), Warm white (2800-3200K)COB size: 50mm diameterLighting area diameter: 42mm, 28mmLow attenuation, 1000h attenuation