... prompt for every step 8 wireless alarm zone two-way intercom LCD scree GSM Home Alarm Security Wireless System Functions8 wireless Defence ... , fire, gas, door, hall, window, balcony, and perimeter places alarm;Real-time, delay, 24 hours, bypass Defence zones programming function ... by phone;Event record check: the unit will record 40 alarm events automatically;Built-in AAA NI-HI rechargeable battery: ...