Remote Control Door Window Smart Magnetic Sensor Voice Alarm

Features:One magnetic sensor can match with at most 8 remote controllers freelyOne remote controller could control several magnetic sensorsExcellent home use product, tiny and fashionVolume: 110dbAlarm and door bell function for your optionLow energy and long working timeEasy to installRemote control: 20mSpecifications:magnetic sensor: Voltage: 3V   AAA*2pcs   Stand by volume:100μAWorking volume:30mAFrequency: 433MHzAlarm respond time: 200msStand by time: 8-12monthsRemote controllerVoltage: 12V   Stand by volume:1μAWorking volume:15mARemote control distance: 20mStand by time: 8-24 monthsSize: magnetic sensor: 85mm*42mm*17mmRemote controller: 60mm*30mm*11mmMagnetic stick: 85mm*10mm*14mmPackage Includes:1*magnetic sensor(battery is not included)1*Magnetic stick1* remote control
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