Motion Sensor Alarm, Motion Sensor Door Chime, Bed Bell Alarm for Elderly Fall Prevention, Business Entry Home Office Security Alert 900Ft Range Loud Chimes (3 Receiver 1 Motion Sensor)

Effortless Setup & Battery or USB PoweredPowered by a convenient battery or USB-C Port, you can set up this wireless doorbell without need for complex wiring or professional help. It's a hassle-free solution that gets you up and running in no time. The motion detector sensor can be rotated 360 degrees from left to right and 180 degrees from top to bottom. So easy to install and can rotate to any position you need. (Infrared sensor needs 3pcs AAA batteries & receiver need 3pcs AA batteries)
Expandable & Wide Wireless RangeTake your security to the next level by expanding your system. Easily integrate additional sensors and receivers to create wireless home security system and your security requirement. Receiver can add up to 32 transmitter like motion sensor, magnetic sensor. It also can add up to 8 remotes. With 918FT/280M long wireless range in open area, this bell for door offers a comprehensive coverage, ensuring you're alerted to any activity or entry.
Widely ApplicationThis business doorbell isn't limited to just one use. Doorbell chimes are suitable for a wide range of applications, including homes, offices, businesses, hospitals, stores, schools, hotels, villas, factories, etc. It's especially helpful for keeping an eye on the elderly. Its versatility makes it a must-have for any environment where safety and convenience matter. Whether you're enhancing security or providing better care, this door buzzer is adaptable to your needs.