• Door/window contact sensor kit.
• Magnetic style contact sensor.
• Alerts you any time your door or window is open.
• Fully Supervised Sensor: Automatically monitors the sensors and their battery conditions.
• GM-318R is designed to work well with up to 4 sensors. (additional sensors are available separately)
• Uses both audio and visual alert indications.
• Operates well at a range of up to 300'.
• Easy to install.
• Meets with FCC/IC approval.
• Comes with one year warranty.

• One GM-318R Household Alert Receiver, AC/DC adapter is also included.
• One WD-318T Door / Window Sensor, Lithium battery is also included.

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