GE Security 1038T-N Surface Screw Mount Terminal Contact, Closed Loop, White, 1 Gap Size. Tape or Screw Mounting Simple to install security sensor Attractive low-profile design with 1" gap distance Operating Temperature: Minimum -40.0 F; Maximum 150.0 F Operating Voltage: 100.0 V; Power (Watts): 7.5 VA NOTE: This is not a stand-alone product, but must be installed as part of an integrated security system.