10pcs High Power 10W 20W 30W 50W 100W COB Integrated LED Lamp Diode Chip DC 12V 32V For DIY Flood mushy Spotlight Bulb Led BeadsSpecification:Product name: High calories led 10w Chip size: 24 MIL * 44 MIL Color temperature: warm white (2800-3500K) white (6000-6500K) Luminous flux:950-1100lm Forward current:850-900mA Driver voltage:9-12V Integrated scheme:3 in series, 3 in parallel 20w 30w 50w 100w excessive power led product name: immoderate power led 20w 30w 50w 100w Chip size: 24 MIL * 44 MIL Color temperature: warm white (2800-3500K) white (6000k-6500K) Luminous flux: 90-110lm / w Foward current: 20w (600mA) 30w (900mA) 50w (1500mA) 100w (3000mA) Driver voltage: 30-36V