Battery

 Other Items from GE Security

  Module-Cellemetry Phone Line Back up - Requires subscription through your alarm company.
  NX Cellemetry Module High Gain Antenna - 
  Key Fob Transmitter, 4 Button - Adds Arming/disarming/panic/lights feature
  Wireless GE Smoke Detector - For use with Networx wireless receivers
  Exand-a-can empty metal cabinet - For insertion of any GE Networx expansion cards
  Module: Power Supply-Bus extender - Allows extension of the keypad bus and adds up to 2A power
  Pendant Panic Transmitter - For use with Networx wireless receivers
  Door/window Recessed Transmitter - For use with Networx wireless receivers
  Wireless Receiver Plastic Enclosure - For use with any of the NX wireless receivers
  Door/window Micro Transmitter - For use with Networx wireless receivers
  Module: Operator Telephone Interface - Allows access to remote arming/disarming over any phone