Plug and play,this product let you know if your children went your either door,be appropriate for older people who may have trouble hearing as it can be set to very loud. Multiple "chimes" to choose from as well.
Includes wireless battery operated sensor and plug in receiver,Just place the sensor at the entrance to your driveway and the receiver inside your home.
It detects movements and sends a signal to the receiver from up to 328 feet (100m) away.
Alerts you when someone enters your driveway, walking path, doorway or business, such as visitors, vehicles, intruders, animals or kids coming or going.
Advanced notice when someone or something enters before they surprise you.
Use it to monitor any area inside or outside, its wireless so you can place it anywhere in the house or even take it from room to room.
Working Voltage of the Receiver?110V-240V
Working Voltage of the PIR Sensor?4.5V?3 AAA batteries?
Working Range: Up to 328 feet (100 meters)
Infrared Sensing Range: Up to 23 feet (7 meters)
Receiver Size: 3.14" L x 2.99" W x 1.29" H (80 x 76 x 33mm)S< br> Sensor Size: 3.14" L x 2.32" W x 1.77" H (80 x 59 x 45mm)
Packaging Weight: 7.76 ounces (.22kgs)
Receiver Switch Settings:M usic source: 38 different songs
Volume Adjustment: high, middle, low