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