Specifications Color: Gray Power Supply: 110 V AC, 60 Hz Motor Power: 550 W Max Gate Weight: 3300 lbs Sliding Gate Move Speed: 40 ft / min Remote Control Range: 230 ft Max. Torque: 26 N.m Temperature: -13 °F~+131 °F (-25 °C~+55 °C) Protection Class: IP44 Noise: < 56 dB Max. Gate Length: 40 ft Package Content 1 x Sliding Gate Opener Unit 1 x 20 ft of Chain (Can be split into 2 x 10 ft Chains) 2 x Remote Controls(Not Include Battery) 2 x Manual Release Keys 2 x Infrared Sensors 1 x Mounting Hardware 1 x Installation Parts 1 x Instruction