Model: JD-888 - Color: White - Material: Plastic housing - 4-digit display - Working frequency: 315MHz - PSTN / GSM dual-network alarm system - With GSM alarm operating keypad no need to set via calls or SMS - Report error alarm in English - Allows preset 9 alarm SMS for 9 defense areas send the SMS when the corresponding area was activated - Allows set 9 groups of disalarm time; 6 groups timing disalarm time and 3 groups temporary disalarm time - Supports speak via telephone (external siren needed) - Adjustable alarm volume and time (1~30min) - Password protection - Same frequency interference alarm - UPS backup power supply - Alarm delay function (0~99sec) - Main unit working voltage: AC 220V / DC 9V 500mA - Remote control range: 100 meters - Siren sound: 120dB - IR detector: 110 degree working angle; 0~6 meters detection range; 200 meters working range - Packing list: - 1 x Host (Built-in backup battery) - 1 x IR detector - 1 x Door sensor (1 x 12V 23A / included) - 2 x Remote controls (1 x 12V 23A / included) - 1 x Siren - 1 x Power adapter (AC 100~240v / 2-flat-pin plug / 100cm-cable) - 1 x GSM signal gain antenna - 1 x 3.5mm antenna - 1 x IR detector holder - 1 x Adhesive tape - 1 x Telephone line (100cm) - 1 x Connector adapter - 1 x Wall mount holder - 1 x English user manual