shock sensor

I have suddenly started getting a tamper issue with my Premier Elite Micro Shock Wireless sensor. I have checked the device and the cover is on fine however it will randomly trigger the sensor alarm. Does anyone know why this might be? Resetting the tamper fault will fix it for a couple of...

Hi, I have a flex system and am looking to install a wireless shock sensor. Before I buy one Does anybody know how these are fitted to the window frame as i dont want to drill holes in my aluminium frames. Will double sided tape be ok? Many thanks for responding. Jeramy