*Wireless design, easy installation.
*Fixed the wireless panic button on the wall, and hang the wireless repeater and wireless receiver in suitable place.
*When someone push the wireless panic button, the wireless receiver will display the zone number.
*The effective range between wireless panic button and wireless receiver is more than 100 meters.
*The effective range between wireless repeater and wireless receiver is more than 1KM.
*The wireless panic button use DC9V battery. When the battery is lower than 6V, the panic button will bi every 60 seconds lasting 1 week.