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Safety Technology International, Inc. Sensor for Battery Wireless Driveway Monitor - Transmitter - Part of the Wireless Alert Series
Safety Technology International, Inc. - STI 34151 Sensor for battery wireless driveway - transmitter. If you have a long driveway and need more coverage. This battery-powered STI Wireless Driveway Monitor Sensor extends the detection range of your STI monitor system. Multiple sensors are ideal for long or wide driveways that reach beyond a single sensor's detection range. Simply add sensors where your existing sensor can't reach. The small, rugged, waterproof sensor easily mounts next to your driveway on the included stake. When sensor detects a vehicle, it signals the receiver sold separately) to alert you by chiming and flashing. Driveway sensor uses a patented magnetometer sensor system

Price is $67.00
Price: $66.95