Wsdcam Wireless Anti-Theft Door and Window Alarm

Wsdcam Door Alarm Wireless Remote Control Anti-Theft Door And Window Security Alarms Sensor for Do-It-Yourself Home Security System. Many burglaries occur from break-ins through doors/ windows, especially side, rear and garage doors. This door security devices with 105 dB loud alarm sound can help to deter the intruder, wake or alert you if at home and possibly alert neighbors. The wireless door alarm have 4 modes--- Arm/Disarm/Panic/Doorbell mode controlled by the remote, wireless control range up to 49 ft. Not only a DIY door and window alarm, but also a door open chime/ pool alarm for kids safety or helps notify you if kids/ pets or visitors coming/ going, and emergency alert system for the older/ patients.Technical Specifications:An alarm need two AAA alkaline batteries ( not included )A remote need a 12V/27A alkaline battery ( included )They can work for at least a year with low-consumption designProduct size: Alarm( 3.35*1.57*0.59 inch), Remote( 2.48*1.18 inch), Magnet box(1.77*