Motion Sensor Alarm Detector: Take care of your Family and Business. When visitors walking arrive, you will hear doorbell chime to remind. It can be used for Home/Office/Store/Garages/Warehouse, driveways, front porch, gates, home, sheds, offices, walkways, etc.
Passive Infrared (pir) Alert & Chime Receivers: Detect movement in the home surrounding areas, transmission range is up to 600 feet, detection angle 110 degrees, detections distance 39 feet.
Multiple Melodies & Loud Chime: lazer sound siren 52 unique ringtones available, 4 volume levels can adjustable(from 30 db to 110 db), do not worry about confusing the alert sound with the neighbor's doorbells.
Easy to Install & Use: Wireless laser security beeper can be put in anywhere with an electric socket, expandable system allows you to add extra sensors & receivers to cover multiple areas of your property, keep your home hallway driveway safety.
Best Warranty Method: JOYSAE Battery Powered Motion Sensor Alarm Detectors will come with a 12-month warranty guarantee. And we will provide fast and easy-to-reach Customer Service to solve your problems within 12 hours.