1) Power Off Once Locking,Power On Once Opening,avoiding any copy from other remote controls;
2) System keeps power off when outage power revert to supply;
3) Auto alarm sounds when door broken;
4) Auto warning for low power on signal transmitter;
5) Match with any rolling door motor, tubular motor and garage opener;
6) Match with big alarm horn(12V);
7) Match with any alarm system.