Wireless alarm doorbell, motion sensor, alert detector with 2 and 1 receivers, 38 melodies, for home, office and shop, US plug

Features:1.38 Melodies and Adjustable Volume: The receiver has 38 selectable ringtones.3 Adjustable Volume Levels: You can adjust the volume (voice: sound + silent: indicator).
2.Long-Distance Connection Support: Working range up to 230 feet (70 meters) between the receiver and transmitter, and infrared detection range up to 3 to 7 meters.
3.Function: Can alert you to visitors, detect when a door is opened, deter unwanted intruders, or even let you know when your children have accessed restricted areas.
4.Easy Installation: The sensors can be installed or placed in any indoor location to provide you with a door entry alarm system.
5. Wide range of uses: ideal for homes, offices, garages, courtyards, and shopping centers.Also can be used at front door, back door, garage and driveway.

Specifications:

Item Type: Motion Sensor Alarm
Material: ABS
Application: Home, office, factory, welcome safe stores and other places
Battery: one infrared detector requires 3 x AAA batteries (without batteries)
Infrared detection range: 3-7 meters
Music: 38 Music to choose, the side of the button for music adjustment Volume: three levels of volume adjustment (high, high, medium and low) button for adjustment Volume: Three levels Can adjust voice and silent (voiced: sound + silent indicator: indicator)
Operating frequency: 433 MHz
Working distance: 70 meters

How to use:

1. Please prepare six AAA batteries and install them in two infrared detectors before use 2. The doorbell is plugged into the socket and powered on. When the infrared detector senses a person, the doorbell receives the signal sent by the infrared detector and rings.
Package List:1 x Doorbell
2 x Infrared Detectors
4 x Mounting Brackets
4 x Screws
4 x Extension Tubes
1 x Instructions