2Pcs COB LED Lamp Chip AC 110V 220V LED Bulb 10W 20W 30W 50W IP65 High Power Smart IC DIY Flood Light Bulb Spotlight Outdoor Chip Lamp,Cool White,20W 110V

• Item: LED COB Smart Chip
• Watt:10W 20W 30W 50W
• Color Temperature: Cold White 6000-6500K;Warm White 2800-3200K
• Color Rendering Index:Ra80
• Feature: No Need Driver;;Smart IC;;Easy to DIY

Description Item: LED COB Smart Chip Watt:10W 20W 30W 50W Color Temperature: Cold White 6000-6500K;Warm White 2800-3200K Color Rendering Index:Ra80 Beam Angle :180 degree Feature: No Need Driver;;Smart IC;;Easy to DIY How to use it: Connect 220-240V Lifespan:over 10,000hrs Housing material:Aluminum Display value: Ra ≥ 70 Chip crystal size: 10 * 21mil Thickness: 1.1mm Size: 60 * 40mL Luminescent surface size: 25 * 25mm Thermal conductivity: Aluminum plate 2W/M · K Warranty: 2 years Application scenarios: Floodlights/Spotlights Usage temperature: LED requires a heat sink, and the center temperature of the lamp beads cannot exceed 100 degrees. The temperature of the aluminum shell of the heat sink cannot exceed 80 degrees. Welding conditions: The temperature of the electric soldering iron is 400 degrees Celsius, and the welding time is ≤ 2 seconds.