Wireless door infrared alarm.Fits your storage room, garage, barn door or window.For storage rooms, garages, security code alarms.Loud alarm signal 110 dB siren.Adjustable security code operation3AA battery operated not included3 settings Direct, DelaySignalDirect Setting 110 decibel siren sounds immediately until security code is enteredDelay setting 10 seconds delay for entering the security code 110 decibel siren soundsSignal Setting To alert you when someone enters, or as a warning if a young person opens the doorCode Settings ProcessSet your own code by first pressing the devices default code 0000,Now enter your own code by pressing e.g. 123To activate press 123red light turns on for 10 secondsTo deactivate press 123TWICEThe red light will then flash for 10 seconds and the device will turn off.Name AlarmOperating voltage 4.5 VApplication area door and window burglar alarmModel MM1Color WhiteMaterial ABSPackage contents1Wireless door alarm with installation cableOnly the above package contents, other products are not included.Note Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is13 cm.