wireless alarm systems 1. 30 Wireless zones 2. LCD screen displays 3. Can dial up to 5 phone numbers in sequence Wireless alarm pnael: Main futures:1. Concise and elegant outlooks design, easy and clear operation interface 2. LCD display, calendar function, display available in any of the following languages:English, Chinese, German, Russian, Danish, French, Japanese…3.30 wireless zones, can work ...