EASY, FAST, WIRE-FREE INSTALLATION: the sensor detects motion and sends a signal to the receiver. More than 1 transmitter SKU is optional.
SELECTABLE RINGTONES: the receiver is a doorbell design with 36 different ringtones from melody sounds to simple basic buzz for personal preferences and 5 welcome songs for retail business use.
WIDE RANGE: The transmission range of the driveway alarm is up to 918ft (the distance from the detector to the receiver) and the detection range of the infrared sensor is approximately 13-26ft to keep you informed and safe. You can put the motion sensor detector at the room of Alzheimer's sleepwalking elderly and put the receiver in your house.
Use of premises: Home office villa hospital school factory store
Receiving distance: 280M Remote (in open area)
Power Source: Battery, AC
Infrared motion sensor power supply: 3*AAA alkaline battery(battery not included)