An internal chime unit within the home will announce the arrival of a visitor or an intruder. And as the device is based on electromagnetic technology, it detects only large metallic objects. In other words, vehicles. You will never be alterted due to a false alarm ever again.

• Functional range up to 400 ft.
• Chime announces visitor or notifies you of unwelcome guests.
• Indicator light alerts you if someone was in the driveway while you were gone.
• Sensor only recognizes large metal objects - no false alerts due to animals or kids.
• Receiver is designed for desktop or wall mounting.
• AC Power adapter included for driveway monitor receiver.
• Long battery life. Low battery indicator on receiver in house identifies low battery of sensor outside.
• Transmitter requires 2 "C" Alkaline batteries (not included)

Know instantly when someone is pulling into your driveway.