Mumu Sugar Infrared Wireless Motion Sensor Alarm, Doorbell Chime Home Security Driveway Alert Alarm, Store Door Open Entry Chimes with Operating in Range 500 feet/52 Chimes/ 4 Level Volume/LED Flash

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