LED menu display, lamp for illumination(auto shut off after 3 minutes), wireless alarm system against intruders (can be connected to house alarm system),wireless remote control password keyboard,infrared protection function,delay close door function,Limit adjustment function, soft start and stop, open/close door force auto inspection, Senses obstructions and reverses downward travel, stop travel if Senses obstructions while opening door, overloading protection fuction, 24V back up battery connect socket(optional 12V built-in back up battery),auto restoration clutch, rail provides extra protection function against intruders (National patent).