Door Bell Alarm, Home Infrared Motion Detector Alert Entry Welcome Greeting Doorbell Alarm Sensor Human Body Induction Audio Sound Player Driveway Security Speaker Battery Replacement

[Detector Range]: The farthest distance of infrared sensor is about 6 meters, allowing you to warn in advance and extra warning before the guest (or intruder) arrives, and entry sensor can let you know the intruder or visitor anywhere in the house in time [High Sensitivity]: The motion sensor alarm has high sensitivity, no false alarms, and anti-interference; Door handle alarm is unaffected by light, it can be sensed day and night, door sensor with alarm can effective real time monitoring of human movement within the monitoring range [3 AA Battery Operated]: This human body induction doorbell is worked for 3 AA batteries, this radio ringer battery worked is energy-saving and solid being utilized, changing the battery is in like manner rational; When people or animals approach the acknowledgment space of the remote arrive at front doorway ringer, the music is played normally, also try to keep the detector on a clear path to the receiver so that you can get the best performance [85 ± 5 dB Entry Alarm]: , the volume of the remote front entrance ring is up to 85 ± 5 dB, loud and clear, whether or not day or night; With this distant doorbell no punk can subtly enter your home; Motion sensor speaker is also great to alert business owners that are working in the back, or out of sight, to customers entering their store [Widely Applicable]: This Welcome Doorbell can be installed in door entrances, home mailboxes, driveways, galleries, gates, sidewalks, apartments, offices, hotels, shops and many other indoor places; Door alarm sensor is ideal for front doors, window frames, driveways, walking paths, and anywhere in your home you want to be alerted to motion, Weight: 0.24912235606 Pounds, Manufacturer: Larzie