FeaturesEasy installation (full fixing kit included)Entry delay-30 secondsMounts onto most door or window framesSiren sounds when door or window is openedPowerful 110dB sirenExit delay-45 secondsIdeal for homes, garages, sheds, caravans and storerooms2 modes - alarm or door entry chimeSound-30 secondsThe ProperAV Magnetic Window or Door Alarm with easy to use keypad controlled alarm is suitable for use anywhere in the home or business. Simply set a secure 4-digit passcode and an alarm will sound when any movement is detected. It can be either be set to announce visitors with a chime or switched to alarm mode sounding a loud 110dB siren when an intruder is detected.