Motion Sensor detects movement within 16.4 ft range x 110. It can be mounted to the wall/by doorways or floor. Easy to monitor loved ones getting out of bed or leaving the room. ^^ Portable Receiver include 3*AAA batteries. It can be put in Pocket. Removes alarm noise from bedside. Allows caregiver freely monitor movement remotely. ^^ Working range of Motion sensors and Pagers is Up to 260 ft/100 m in open area. Within 260 ft/100 m (in open area), the motion sensor can trigger the receiver to emit a sound to remind the caregiver.
^^ The battery receiver has 52 ringtones, 5 Level Adjustable Volume from 0db to 110db. ^^ This bed sensor alarm and fall prevention system supports pairing between multiple receivers and transmitters; you can set the kits according to you needs.