FeaturePower:20W 30W 50WSize: 59*40mmVoltage:AC110V / 220V (No want energy delivery )Color Rendering Index:Ra80Color Temperature: White 6000-6500K,Warm White 2800-3200K, Full Spectrum 380-840NMBeam angle :180 degreeLifespan:10,000hrsHousing material:AluminumDo not need strength supply,contact 220V/110V AC directly,Suiteable for DIY Package Content1pcs * Led Chip Lamp