Feature Power:20W 30W 50W Size: 59.5*40mm Voltage:AC110V / 220V (No need power supply ) Color Rendering Index:Ra80 Color Temperature: White 6000-6500K,Warm White 2800-3200K, Full Spectrum 380-840NM Beam angle :180 degree Lifespan:10,000hrs Housing material:Aluminum Do not need power supply,contact 220V/110V AC directly,Suiteable for DIY