Intrusion Detection: When an unauthorized intruder triggers the sensor or the system, through motion sensor, smoke sensor or gas sensor etc, the alarm is sounded at the local spot. Also, the Automatic Telephone Dialler starts dialing immediately and coveys a telephonic pre-recorded message to the programmed numbers. 128 wireless zones: There are 128 wireless zones. Thus a max of 128 detectors + sirens can be connected to the system making it suitable for medium sized premises. Automatic Telephone Dialling Facility: Upto 9 telephone numbers can be programmed into the system. When an intrusion occurs, the system will automatically start dialing the programmed numbers and communicate the alarm. Pre-Programmed Message: A voice message of 20 seconds can be programmed in, by the user to be relayed in the event of an alarm. Hooter optput capable of driving multiple hooters up to total of 500mA load. Remote access capability: From a remote telephone, one can dial the phone number of the host, and after password confirmation, can disarm, arm, start the siren and spot listen in. Battery Backup: There is a powerful battery backup provided. Thus if there is a power outage, the battery takes over automatically and when the power resumes, the reverse happens. Low Battery Indication: When the battery power supply becomes low, the LCD displays low power as an indication. The battery should be changed immediately. However, as a precautionary message, a one hour backup is provided after Low Power indication.