4PCS 75mm Round COB Lamp Bead High Power LED Chip 24W/72?82V for DIY Lamp Indoor Light Source

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Long Lasting 350W LED Power Supply Designed for High Temperature Use

10pcs Diy High Power 1-3w Led Cob Chip Light Beads Led Bulb Diodes Lamp Full Watt

20 LED COB Lights White Emitting Diodes 20W 1W