WIRELESS CHIME SENSOR- Bed alarm for elderly dementia patients. Motion sensor pager easy to monitor elderly getting out of bed or leaving the room, provides caregivers free time to do other work and freely monitor movement remotely. Detection range of the infrared sensor is about 13-26ft (4-8m) and the maximum working range is 350ft (100m) 3 IN 1 MOTION SENSOR CHIME: This motion sensor detector works in three modes: Welcome mode, door chimes mode and alarm mode. In business welcome mode, when customers enter the shop, the Receiver will sound “Ding dong, Hello, welcome” or other festival greetings. In door chimes mode, when the sensor senses a visitor, the Receiver will sound “Ding dong, ding dong”. In alarm mode, when someone enters the infrared detection area, it will sound a loud alarm for 20s CUSTOMIZABLE WIRELESS DOOR CHIMES: 30 Ringtones for our choice. Welcome doorbell in 12 different languages, festival greetings and different ringtones including alarm sounds, you can set the