DSC PG9309 PowerG Wireless Commercial Magnetic Contact with Auxiliary Input

The PG9309 is a commercial door/window contact sensor and features 2 auxiliary inputs for wired devices. The aux inputs can be used for any 2 wire contact like wired garage door sensors effectively making them wired contacts. DSC PG9309 PowerG Wireless Commercial Magnetic Contact with Auxiliary Input  The DSC PG9309 is a commercial-grade wireless magnetic contact with an internal auxiliary input for wiring in simple normally closed or normally open switches. Not only can this be used in commercial applications, but it works well as a durable solution for arming the perimeter doors and windows in a residential setting as well. This is comparable to the PG9945 but is more sturdy.  The PG9309 measures in at 3.19 x 1.25 x 1in and features a visual link quality LED so you can tell if the device can effectively work in the area where you're installing it. You will get 8-year battery life in residential use and a 5 year expected life for batteries in a commercial installation. The PG9309 is