Product Details Power: 10W Voltage: DC12-14V Current: 800mA±5% Serial and parallel circuit: 4 series and 3 parallel Size: 20*30mm (0.7874*1.1811in) Light-emitting surface size: 12*12mm (0.4724*0.4724in) Crystal size: 35*35mil Number of crystals: 12pcs Crystal name: Epistar chip Lumens: 1200LM Copper substrate thickness: 1.5mm (0.0591in) Thermal conductivity of copper substrate: 4.0W/(m·K) Application place: Flood light Conditions of use: radiator required Chip temperature does not exceed 65℃