Functions: 1) Integrated mechanical and electrical, with PCB inside 2) Radio controller or lines to control open, close and stop functions 3) Mechanical limit switch (spring limit switch) 4) Accurate limit braking 5) Open and close limits have a self-locking function 8) Intelligent operation - if an obstacle is detected when the door is closing, it will reverse, then after 10seconds it attempts to close automatically unless you press the stop keystroke 9) Intelligent interfaces with alarm lamp, photocell, etc for security 10) Optional line control or remote control Technical data Power supply: 220V 50HZ Absorbed power: 250W Capacitor: 16uf Motor rotational speed: 1400r/m Output rotational speed: 46. 6r/m Absorbed current: 3A Thermal protection on motor winding: 120degree Max weight of gate: 800kg Manual optional: Special release key for power failure Dimension: 144*260*257mm