Model: ds730-36153-1w Electrical specifications: Pcb size: 36*15mm; Input voltage: 7v-30v dc; Input frequency: dc Current: 350ma Led power: 3w; Total power: 1w; Led color: white/warm white; Led intensity: >100 lumens; Led type: chinese led/cree/ seoul/luxeon/; Inset: a high-efficient constant current led driver; Lifetime: 50000+hours; Efficiency: 80%; Light angle: 60 degree. Special features: Damp proof and shock-resistant Reverse polarity protection Good cooling; Environmental friendly; Energy saving; Long lifetime. Environmental: Operating temperature: -30 to 60'c; Storage temperature: -40 to +85'c Humidity (non-condensing):5% to 95%; Cooling: convection. Applications: Car light; Lanterns; Spotlight; Closet lights; Emergency lights.