Plugs directly into cigarette lighter or 12 Volt socket, or connects directly to battery to maintain 12 Volt car, truck, motorcycle, ATV, boat, personal watercraft or RV batteries. Works in low light and cloudy conditions. For indoor use only. Application: Car, truck, motorcycle, ATV,, Watts: 1.8, Material: ABS plastic and amorphous solar cell, LED Light: Bright blue Bright blue LED indicator light is embedded in frame Made of ABS plastic and amorphous solar cells Power rating up to 1.8 Watts Current: 125mAmps @ 15V Includes cigarette lighter plug and battery clamps 20in.W x 1 1/2in.D x 6 1/2in.H