This auction is for one Brand new Driveway Wireless Alarm / doorbell Description Just attach the sensor to the fence or mailbox pole for long driveways, or directly above garage doors for shorter driveways, it installs in seconds, all you need is a screwdriver. It sends a signal to alert you over a 120M (400ft) range when someone approaches. It employs advanced infrared motion detection technology. Very sensible to detect visitors, vehicles, intruders or kids are coming and going. Ideal for the front door, window frame, driveways, walk paths, etc.

Following is the distance we have tested for reference.

1. Used it in a wide open space, no other articles to impede alarm signal, the working distance between the sensor and receiver is 50-100M
2. On the contrary, the working distance can only within 20m-30m.

FEATURES: Color: White Infrared sensor distance: 3-7m Transmission frequency: 315MHz Low consumption Wall mountable, no wiring required Alerts you in advance when someone enters your property Chime is “Fur Elise”, the volume can be adjusted (Low, high). Power: Sensor 9V battery/receiver 2 AA battery (not included) Alkaline batteries recommended. Transmitter Size (L x W x H): Approx. 9x6.2x5cm 3.5 x 2.4 x 1.8 inch Receiver Size (L x W x H): Approx. 9x3x7cm 3.5 x 2.6 x 1 inch Receiver Switch Setting: High / low volume / off Material: Plastic

Package Content: 2 x Wireless Detector Alarm (Sensor/transmitter) 1 x Receiver 2 x Mounting Swivel 1 x Manual Note: This item is not avaliable for pickup. it will be dispatched from our supplier warehouse directly. all items will be shipped out within1-2 business days after your payment is recieved