... whiteAlarm Decibel:110dBBattery:4 x AG13 includedVoltage:6VSpecial Feature:round, with sticker, sensitivity adjustableProduct Usage:window, door, all belongings ... or is broken, the vibration sensor triggers the alarm.This Vibration Alarm is mounted on barriers and are used primarily to ... ; 5) Effective, low cost vibration and shock sensitive alarm that can be used for securing windows and patio doors ...