Material: aluminum alloy + ABS + tempered glass. Size: 122 × 115 × 73mm, weight: 170g. Input: 5V / 2A, 9V / 1.67A. Output power: 5W / 7.5W / 10W / 15W (15W only for some LG phones). Built-in battery: 200mAh capacity (only clamp lever supported, not supported phone charging). Fit for 4.5 mobile phones - 7.0 inches (Clamp range 60 - 85mm). Installation: Car center console. Automatic clamp, one-touch lock phone. Suction cup is stable and strong, easy to move with it when driving on bumps.