Safety Technology International STI-7505 Keypad Cover, Polycarbonate, Surface

what's up guys this is the STI 6400 emergency exit door alarm so we're just going to unbox it here go over the device pretty much some of the features how to set it up where to mount it and just do an overview of how it works so inside the box we have the device itself right there instruction manuals sticker keys tool and magnet so this device works off of a magnetic contact so to access the internals of the device you're going to have to unscrew a screw here using the special tool or key so I've already gone ahead and done that and now we can just take apart the top casing from the rear alright so once that screw is removed it's pretty easy to pop this off using two hands I'm going to set that aside there this is just the internals of the device so fairly simple we've got a 9-volt battery on a circuit board that controls everything the alarm right there and the on and off key so when w