Motor Operation Voltage: DC 10V~12V for slow speed, DC18V~24V for high speed; Max Output Power: 80W per actuator; Driving Method: Special 4 start ball screw; Stroke Speed: 2.4cm/second; Operation Cycle: 10 sec. per 90degree (Approx); Motor AMP Per Actuator: 1.2AMP; Shaft Stoke: 315mm; Motor Gear Box: Heavy duty three stages planetary reducer, long life reliability; Operating Temperature: 0?C to 80?C (Degree); Max Weight of Gate: 350 KGS per wing; Max Length of Gate: 3 Meter per leaf; Manual Operation: Special released key during power failure; Backup Battery: 12 Volt 7AH Rechargeableen