... ,Big LCD display 2,GSM+PSTN dual network 3,8 wired + 30 wireless zones 4,Work worldwide Model No: L&L-816Name ... + Program Password + Reset + Alarm History + Status History 4. 30 wireless zones + 8 wired zones, every zone attribute, name, bypass, alarm delay, intelligent ... -5 working days More info,pls connect with us freely......... Wired/Wireless GSM+PSTN Dual-network Home Alarm System(L&L-816)