Motion Sensor Doorbell,Store Welcome Chime Monitor,Motion Sensor Detection Alarm,Elderly Caregiver Reminder

Description
The easy, fast and wireless installation sensor detects movement and sends a signal to the receiver.
Selectable Ring Tones: The receiver is a ring design with 36 different tones, from melody sounds to simple basic buzzes for personal preference and 5 welcome songs for retail business use.
Wide Range The transmission range of the entrance alarm is up to 918 feet (the distance from the detector to the receiver) and the detection range of the infrared sensor is about 13-26 feet to keep you informed and safe. You can put the motion sensor detector in alzheimer's room to sleep walking lower and put the receiver in your house.
Multi-Purpose Motion Sensor Door Bell, Door Alarm, Mailbox Alert, Welcome Chime for Retail Business, Wireless Cat Dog Alarm
Adjustable volume and light mode 4 stages of adjustable volume (high/high/medium/low) from 113-25dB. Batteries and dual USB power supply.