5PCS 25x7mm 1W COB LED Chip Light Source Tiny 3V 3.7V LED Bulb Warm Cold White 3000K 6000K for Work Signal Lamp DIY Lighting

Parameters

Chips: Epistar
Size: 25mm*7mm
Lighting area: 15mm*6mm
Meterial: Aluminum-alloy plate + COB LED
Power: 1W
Input Voltage: DC 3-4V
Max current : 500mA
Luminous flux: 110LM/W
Light Color: Cold White (6000-6500K) , Warm White (2800K-3000K)

Use Manual

1. Connect to 3V or 3.7V power supply (batteries)
2. There's no wire on the LED chip, need to solder wires by yourself.

Package Included

5pcs 25x7mm COB LED Chip