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The new STI Solar Powered Wireless DrivewayAlarm detects when a vehicle enters or leaves your driveway. It uses a patented solar powered magnetometer sensor system. Movement of any large metallic (iron or steel) object close to the driveway sensor will transmit a signal to the receiver, causing the receiver to play your selected chime or voice announcment and light up the indicator. This system is expandable - up to 4 compatible sensors may be used, each with its own alert and indicator light. Additional receivers may also be used.
Due to this advanced design, people, animals and shadows will not trigger the driveway sensor.
The driveway vehicle sensor may be placed up to 1000 feet (line of sight) away from the receiver in your home.
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