1 receiver and 1 detector Wireless motion detector, door alarm, bed alarm for the elderly, welcome doorbell

Wireless Chime Sensor: Bed alarm for elderly patients with dementia. The motion detector easily monitors elderly individuals getting out of bed or leaving their room, freeing caregivers to perform other tasks and remotely monitor movement. The infrared sensor's detection range is approximately 4 to 8 meters, and the maximum operating range is 100 meters. Customizable Wireless Doorbell: 30 ringtones to choose from. Includes a welcome chime in 12 different languages, holiday greetings, and various alarm sounds. You can customize the chime for different occasions, such as setting a welcome chime during the day and an alarm at nightfall to deter intruders. 6 adjustable volume levels (high/medium/low) from 25 to 113 dB. Easy to install: with double-sided adhesive or screws, it can be mounted anywhere in the house/shop/office. The double-sided adhesive is reusable and won't damage the wall. If it runs out of power, it will sound a "low battery" alert. Suitable for shops, home security, offices, front or back doors of factories and garages, etc. It provides an extra level of security and safety for your property and loved ones. Customer satisfaction: change the music without re-pairing. No need to restart after unplugging: short press to turn on/off. Both the receiver and the sensor have an on/off button that you can choose to turn off when not in use. Power supply: the USB cable is included in the package but does not include the charger plug. The motion detector is powered by USB DC 5V or 3 AAA batteries (not included). The receiver is powered by USB DC 5V or 3 AA batteries (not included)