CHANZON 10pcs High Power Led Chip 1W Warm White 3000K - 3500K (Input 300mA - 350mA / DC 3V - 3.4V / 1 Watt) Super Bright Intensity SMD COB Light Emitter Components Diode 1 W Bulb Lamp DIY Lighting

CHANZON Pack of 10 High Power LED Chip 1 W Warm White 3000 K - 3500 K (Input 300 mA - 350 mA/DC 3 V - 3.4 V/1 W) Super Bright Intensity SMD COB Light Emitter Diode 1W Bulb Lamp Beads DIY Lighting

Chanzon 25pcs 1W 3W 5W LED Heat Sink (2 pin Black) Aluminum Base Plate Panel PCB Circuit Board Substrate 20mm Star DIY Heat Sink Cooling for COB High Power LED Chips Lamp Beads 1/3/5 Watt