ITEM NAME:Square Shape White DC Light Lamp COB SMD LED Module Chip 30-36V 20W M4M5 Square Shape White DC Light Lamp COB SMD LED Module Chip 30-36V 20W M4M5 Product Name: COB LED SMD Chip Material: aluminum, plastic Rated voltage: DC 30V - 36V Size: 45 x 45 mm (L * W) Weight: 26 g Luminous flux: 1500-2000LM Color temperature: 6400 K Light color: white Power: 20W Package contents: 1 x COB LED SMD chip.1 x COB LED SMD chip. Power: 20W. Color temperature: 6400 K.