ALEKO GG900/AS900 Dual Swing Gate Operator is designed for residential/commercial applications. Stay warm and dry in your vehicle. This Dual Swing Opener will handle dual swinging gates up to 20 ft in length and weighing up to 900 lb (10 ft and 450 lb per panel). ALEKO GG900/AS900 has powerful 24VDC motors, which provide exceptional starting torque and feature soft start/stop operation. This promotes longer gate and operator life, as well as dependable performance. No power? No problem! A utility backup battery is available for purchase in case of power loss. To simplify installation, ALEKO GG900/AS900 Dual Swing Gate Operator may be installed with low-cost, low-voltage wiring or in remote locations using our optional 10W and/or 20W Solar Panel. ***Max Weight of each gate panel: 204 kg (450 lbs). Max Width of each gate panel: 3 m (10 ft). H Bracket Dimensions for 30W Solar Panel (LxW): 15.35 x 9.6 inches. L Bracket Dimensions (LxW): 5.3 x 1.9 inches. Auto-closing duration: programmable (from 0 to 99 seconds). Ambient temperature: -20C(-4F) ~ +50C(+122F) - MANUAL