Electromechanical AC motor with built-in control unit. Keypad / single button interface. Alarm lamp, photo beam & safety beam interface. User can select auto-close function. Soft start and slow stop. (Smart version) Auto-reverse function when hitting obstacle during closing. (Smart version) Manual key release design for emergency purposes. Unit Model SL1000AC SL1000ACL SL1500AC SL1500ACL Power Supply AC220V/50Hz; AC110V/60Hz Maximum Gate Weight 1000KG 1500KG Motor Power 400W 550W Output Torque 22N.m 32N.m Output Shaft Height 50 mm Limit Switch magnetic limit switch or spring limit switch Gate Moving Speed 13m/min Remote Control Range â?¥30 m Recording of Up Remotes 25 Frequency 433.92MHz Work Duty S2 15min Noise â?¤58dB Working Temperature -20â??ï½?50â?? Driving Mode Gear Chain Gear Chain Package Weight 13.00KG 22.50KG 14.00KG 23.50KG