【5 Modes Motion Sensor Alarm】Not only serves as a motion sensor to detect alerts but also has other functions. Welcome / Doorbell / Alarm / Color light / Lighting Model. Motion detectors are essential in a home security system. Doorbell chimes can detect movement in the surrounding areas - driveways, front porches, gates, homes, sheds, offices, walkways, swimming pools, stores, etc. And trigger an alert to the linked receiver. 【36 Ringtones & 5 Welcomes Doorbell Rings Languages】5 welcome languages are selectable in welcome mode. 36 ringtones selectable in doorbell mode. Welcome/doorbell/Alarm model has 4 level volume adjustable. Color light/ Lighting mode is silent and has 4 levels of brightness adjustable. Great for people with hearing disabilities or if there is a sleeping baby in your house. The color light model also has 4 colors selectable. 【Sensitive & Wide Wireless Range】The motion sensor doorbell entry alert door chime for business stores catches movement from a broad scope of