Product Description

Chamberlain Wireless Alarm... When a vehicle or person is detected, you'll hear a beep from the activated Sensor. Range from the Sensor to the Receiver inside your home is up to 1,000 feet. The Receiver can register individual signals from up to 4 Sensors. Measures a compact 5 1/4 x 3 3/4 x 1 3/16" h. Plugs into any standard household outlet. Sensor can respond to more than one Receiver. Waterproof design protects the 3 3/8 x 2 5/8 x 2 3/4" h. Sensor. It monitors a 40 x 40' area (range is adjustable). Order Now! Note: not compatible with previously sold units. AVAILABLE SEPARATELY: Extra Sensor - word search in our Store for 'Reporter Alarm System Sensor'. Chamberlain Wireless Perimeter Alarm System... (Includes 1 each Receiver and Sensor)

Product Details

• Amazon Sales Rank: #126109 in Sports & Outdoors
• Brand: CHAMBERLAIN
• Dimensions: 7.25" h x 4.00" w x 8.00" l, 2.44 pounds

Features

• Transmitter is weatherproof
• Sensor board has a special conformal coating to insure reliability
• Ignores birds and small animals
• Sensitivity controls
• Flexible swivel mount

Customer Reviews

adequate system
I have an 800' driveway with a small rise in the middle. The receiver could not pick up the signal from the transmitter until it had a clear line of site with the house.

The system does not put out a very loud or long buzz when an object is detected. An external signaling device, such as your doorbell chime, can be connected to it, but since the base unit requires an outlet it make this a bit difficult. Without the external device you may (probably) not here the signal in another room, especially if you have the radio on (I have not on multiple occasions).

The system has not totally ignored animals. I installed the sensor at the specified height above the ground but it did signal activity a couple of times at night (that I know of) that I think were from the passage of deer.

Poor quality
The motion sensor gets into a mode of false detection and goes off
all the time. No amount of adjustment of placement would help. The
sensor was just faulty.

Problems
When it gets dark the sensor starts giving continuous false alarms. You can temporarily fix it buy taking the batteries out but the next night the problem will return again once you put the sensor batteries back in. In the day the unit has a high miss rate on vehicle detection under the setup instruction conditions.