Wireless ZIDAS PANEL Micro-controller based. 99 wireless zone and 2 wired zone. Inbuilt GSM and PSTN line. Onboard button keypad. Also used keyfob for ARM & DISARM. HAWK PANEL Micro-controller based. 25 zones. Inbuilt sounder. Secure code hopping technology. Onboard 16 button keypad. Also used keyfob for ARM & DISARM. 4 line back lit LCD display.