WIRELESS DOOR SIRENDoor siren is a typically designed security device for the total protection of ill intended entry into your bungalow, flat, Office, warehouse, factory shade, etc even while intrusion occurs opening the locked entry. The self activating latest electronic device raises the continuous loud siren signal if some one opens the door by even few inches when the system is in activated condition. It is designed to protect Bungalows, Flats, Shops, Post offices,