Just place the waterproof Driveway 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!
- 400 foot transmission distance between transmitter and receiver
- Receiver uses 3 C-sized batteries and transmitter uses one 9V battery (not included)
- Driveway Patrol Garage Motion Sensor Alarm