- Sends alert when people or vehicles enter driveway or approach mailbox
- Sensor installs with screw on any surface: door, post, garage
- Portable receiver has three settings: high or low chimes and off
- The transmitter requires 3xAAA 1.5V batteries and receiver requires 3xC 1.5V batteries
What’s in the Package
The driveway alert alarm kit comes with:
1 x Receiver
1 x Transmitter
3 x Wall Plugs
3 x Screws
1 x Instruction Manual
How does it work?
Basically, there are two parts to the Driveway Alert Alarm system.
The Transmitter contains a passive infrared(PIR)sensor, which detects the moving heat created by an automobile’s engine(or any other noticeably hot object moving at sufficient speed). It can send signal to the receiver. The transmitte
List Price: $ 24.99
Price: $ 7.99