Wireless Motion Sensor Doorbell with Night Light, Door Chime for Business Entry,Store Welcome Buzzer,Home Security Alarm (2 Receiver and 1 PIR Detectors)

Sensitive & Wide Wireless Range:The motion sensor alarm catches movement from a broad scope of space, with a Working Range up to 280m/918ft between the receiver and motion sensor. detection range of the infrared sensor approximately 4-8m/13-26ft to keep you informed and safe. You can put the motion sensor detector at the porch, gallery, mailbox and put the receiver in your house.

Different melodies: The receiver is a doorbell design with 36 ringtones and 5 welcomes doorbell sound for personal preferences. 4 levels volume adjustable(Loud/ High/ Middle/ Low ) from 113~25dB.Color light/ Lighting mode is silent and has 4 levels brightness adjustable, great for people with hearing disabilities or there is sleeping baby in your house. The color light model also has 4 colors selectable.

Endless Application: Motion detectors are essential in a home security system. It can detect movement in the surrounding areas - door entrance, home mailbox, driveway, gallery, gate, walking paths, apartment, office, hotel, store, and many other indoor places.And trigger alert to the linked receiver. It provides an added level of security and safety to your property and loved ones.

Easy to Install & Use:The device can be charged by micro USB or installing with batteries（infrared sensor need three AAA batteries and receiver need three AA batteries，not include)to make it work.Both the infrared sensor and the receiver have a mounting base. The infrared 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.