... strike, saw etc. ) from entering the protected door, window and ceiling and so on. Popular used for window, door, safe guard box ... : High (H), Middle (M), Low (L) Standard package: Including one transmitter and one good vibration sensor; Installation 1. Please stick it or ... any object for vibrating alarm such as: Prevent door and window Prized and destroyed. Anti-theft or anti-losing outdoor goods. Car ...