Dog Barking Alarm Motion Detector Outdoor Pir Human Body Motion Sensor Alarm Electronic Deterrent Motion Activated Home Security (2 Detectors+ 1 Receiver)

[6 Realistic Dog Barks sounds] Lots of choices in alarm sounds. The motion detector is very sensitive; the dog bark motion detector is more like caring for a kid's dog.
Extra sounds meet more uses: 1x General Alarm; 1x Welcome; 1x Ding Dong; 2x Melody. [Loud & adjustable volume] With a high-volume audio amplifier megaphone, 4 volume levels (the maximum volume can reach 110db). Your own guard dog to protect the family when a thief comes, like a watchdog for 24-hour guard. [PLUG & DC Both powered] Power on the motion sensor with 3pcs AA 1.5V alkaline batteries (batteries not included) and plug the receiver into the outlet (1 USB power wire included), and you're ready to go. The unit has been programmed before shipping. Place the sensors on doors, windows, walls, trees, or any other surface; installation can take as little as a few minutes. [Wide range of applications] The sensors can be mounted to doors, windows, walls, fence posts, trees, or any other surface, which is great for homes, offices, garages, yards and shopping malls, for full coverage of your property. With waterproof construction, it's suitable for indoor/outdoor use; double-sided sticker or screw can be used. Match N chimes with N sensors around your property to differentiate where motion is being detected.

[Detection & Wireless] The upgraded model motion sensor alarm has a detection range from (not obstacle) with a wireless transmission range of 1000ft. Wireless security driveway sensor alarm detection chime is influenced by different temperature, humidity, obstacles; motion sensor alarm detection range will fluctuate. The outdoor motion sensor uses upgraded technical components and superior manufacturing techniques to improve the infrared detection chip, reducing false driveway alarms caused by fog/rain/snow/haze/wind/sun glare changes, etc