... ) * Voice indication for operation, LCD display * 8 wired 32 wireless zone * With GSM Wireless Alarm Control Panel (JD-FC-300)Features:*Voice indication ... dual-way wired keypad, 8 dual-way wireless keypad, 8 dual-way remote.*Support GSM and TCP/IP protocol, network alarm settings ... Ademco, Contact ID Environment -5~+45 C <85% (Relative Humidity) Wireless Alarm GSM or PTSN Control Panel (JD-FC-300)