[Expired]1byone Wireless Driveway Alert
- Amazon.com offers the 1byone Wireless Driveway Alert for $14.99 via coupon code "AKCVJ6UG".
- Free Shipping on orders over $35.
Features: When the PIR (Passive Infrared) Sensor detects moving heat from car engines or human beings, the transmitter will activate and send a wireless signal to the Receiver. The Receiver plays a configurable alarming sound.