ALEKO AC1400 Accessories Kit Sliding Chain Gate Opener for sliding Gate Up to 40-Feet Long and 1400-Pounds. It is AC powered and designed with a 120V AC (3/4 HP equivalent) motor. It also includes a 20 ft chain (if your gates are more than 20 ft in length then you can purchase an extra chain). This chain sliding gate opener provides exceptional starting torque and continuous operation which makes it ideal for most applications. Constructed with an aluminum alloy chassis, it is corrosion resistant and light enough for one person to carry and install. Gate opener has a built-in radio receiver. For your safety, this model will stop and reverse if it encounters an obstruction on closing and stop when it encounters an obstruction on opening. RF hopping code technology prevents your remote code being accessible to others. User programmable and user erasable remote codes. ALEKO 40-ft Slide Universal Battery Driveway Gate Opener Kit | AC1400ACC-LO