Super loud wireless alarm receiver with wireless door magnet and wireless IR can monitor up to 32 areas - Provide you full safety assurance at door or outside - Small size install in safe！ - Super loud alarm scaring thief effectively - Remote control convenient to use - Super long battery life energy-saving and environmental friendly - Produce 110dB alarm if someone open door / window when alarm is not released or someone at IR area - With dual side adhesive tape or can mount on wall - Powered by DC 9V adapter - Can set / release alarm and control door bell via remote control - Alarm: DC 9V 500mA; Average standby current: 0.6mA - Remote control: 1 x 12V / 27A alkaline battery included - Standby time: remote control: 8 months (5 times/day) door magnet: 18 months(6 times/day) Wireless IR sensor: 6 months (6 times/day) - Transmitting frequency: 433.92MHz transmitting power: <1mW - Working temperature: <80% - Storage temperature: -20~70'C