LA5209 – Alarm Reed Switch 110db 4xlr44 PK2

Window & Door Entry Alarm – Twin Pack This is a fully self-contained audible alarm for use on doors and windows. Installed in seconds using the provided self-adhesive strips, one part on the door or window, and one part on the door frame or wall adjacent. It can be set to chime for entry alert, or as a siren for security. Also available individually, LA-5207.