Just place the waterproof Driveway Alarm Patrol transmitter outside and put the receiver inside. It installs in seconds and no tools or wires are needed. When someone approaches, it sends a signal to alert you over a 400 foot range. This wireless driveway alarm system employs advanced infrared motion detection technology. Use it to detect visitors, vehicles, intruders or kids coming and going. Use it anywhere in your home to monitor the mailbox, front door, garage or driveway. You'll never be surprised again!
Installs in seconds
No tools or wires
Detects people or vehicles
Durable weather-resistant plastic construction
The 400-foot transmission distance between transmitter and receiver
The receiver makes a pleasant chiming sound when a sensor is crossed
The receiver uses 3 C-sized batteries and the transmitter uses one 9V battery (not included)
The sensor will sense any movement approx. 15ft feet away.