Never been used. Only opened for photos and to verify contents.

If it needs a new the battery, they are very easy to replace (you just need a flathead screw driver and CR2032 battery).

These are not compatible with 1st Generation systems. If you don't know which generation you possess, send me a picture of your keypad or base station and I'll tell you.

Items shipped next business day. Thanks for looking!

Over 500 completed SimpliSafe transactions :)

Also, I have separate listings for motion sensors, glass break sensors, panic buttons, and entry sensor (2-pack)