With Mumu Sugar Infrared Motion Sensor Alarm, you will never miss anyone at the door. The wireless and portable design allow you to install the wireless door entry alert in any section of your homes, office, work, retail store, or utilize it for mailbox, garage, driveway or other.

Doorbell Home Security
when movement occurs within 16.4ft range x 110°the motion sensor activates . The motion sensor transmits a signal to the plug-in receiver and alerts you with a ringtone every time the sensor is activated by motion.The portable wireless plug-in receiver plugs into any standard 110V outlet.
Unique Ringtones with Volume Level/Built-in LED Indicator
You can personalize the receiver with 52 unique chimes and 4 volume levels.The receiver and transmitter feature LED indicators that create visual alerts for the hearing impaired.

This door open entry chime provides a simple-to-use, cost-effective security solution to protect you and your family. 
With 52 unique ringtones with LED Lights Indicator and 4 volume level you can personalize your motion sensor alarm to your preference. 
They are in small size and can be installed or place at anywhere to provide you with a door entry chime/alert system.

Parameters of Motion Sensor
Working range between receiver and sensor:120~150m in the open air
LED lights: 4(1red LED for low power alert,3 blue LED for detecting alert or extremely low power)
Voltage under USB line power supply:5V
Water proof(Yes or no):No

Parameters of Receiver
Input for receiver: AC110V/220V 
Optional melodies: 52
Volume loudness:30~110dB
Plug type: USA plug
Expandable(Yes or No):Yes

Package Contents:
1 x motion sensor(2 AAA batteries included)
1 x Plug-in Receiver
2x Screws
1 x User Manual

Product Features

• ✅【Door Entry Chime with Wide Working Range】-With a Working Range up to 500 feet (150 meters) between receiver and transmitter ,you are allowed to place the infrared motion sensor alarm entry alert in a good distance from the receiver to warn you the arrival of unwanted guests or solicitors, or anyone who visits your home or business.
• ✅【Chime Door Entry 52 Unique Chimes】Mumu Sugar Motion Sensor Detect Alert with LED Flash 52 Unique chimes and 4 Level Volume for a 30-110dB volume range allows you to set it anywhere you need .
• ✅【Expandable Wireless Home Security】Each receiver of this Motion Sensor Detect alarm can work with 20 motion sensors at most and each motion sensor can be set to different or same chime/ Music. The choice is yours.
• ✅【Door Entry Alert】Alerting business owner or home owner with door chime. Customizing doorbell ring to personal preference whenever you want. Portable design to easily install in homes, office, work, retail store, or utilize it for mailbox, garage, driveway or other.
• ✅【Easy Installation MOTION SENSOR DISTANCE】No wires in-wall installation. Mumu Sugar Wireless Doorbell Motion Detector Security Sensor detects movement between 16.5ft/5m to 110 degree. Motion sensor signal to receiver within 500ft/150m in operating range, an activation for the receiver to alert.