1. 7wired & 99wireless zone 2. LCD screen with time clock 3. Dual Voice-guide 4. Used like a phone ... in backup battery in case of electricity failureLCD screen with time clock displayApplies to burglarproof, fireproof, gas/LPG leakage protection, and ... , gas, door, hall, window, balcony, and boundary places alarmReal-time, delay, 24 hours, bypass defense zones programming functionWireless coding: easy ...