Product: Wireless Doorbell, Coolqiya Door Bell Chimes Kit Alarm with 3 Plugin Receivers and 2 Remote Waterproof Push Buttons for Christmas Day Party, Operating Range Up to 1000 Feet, 58 Melodies, LED Flash
Brand: Coolqiya
Color: 2 Transmitters+3 Receivers (B21-Black)
Pattern Name:2 Transmitters+3 Receivers, Black
Specifications:
Working Voltage of Receiver: AC85-265V
Transmitter's Battery Power:12V 23A alkaline battery(included)
 Working Temperature: 

Features:
52 Chimes to Choose from, including bird song, dog barking,"ding-dong" ,Christmas, piano and classical musical ring tones; extra loud ring chimes for the old people or deaf.

 To enjoy a perfect using experience, please pair transmitter buttons to receivers one by one for a new code
By following steps:
1.Pick the sound you want on one of receivers.
 2.Press and hold the volume button of the receiver till it blink with a "ding" sound, then push one of transmitter button within 5 seconds to pair with the receiver. Finally you will hear the music you set.
 3.It is the same method to pair other transmitters with receivers.
4.Please check the above steps, if you did so and still failed to change the tune, please feel free to contact us, we will do our best to assist you.

 How to split these up between multi-unit transmitters and receivers?
Firstly, clear the original old code of receivers, press and hold the forward button of receivers about 5 seconds till it blink with ding sound; Then pair transmitters to receivers for a new code one by one again (following above steps 1-3).
 Note: For the transmitter which don't control this receiver, please don't pair, just do nothing, only pair the transmitters that need to control it.

Application
For big house/office/assisted living for elderly care or nursing residents; Blue LED flash indicator works well for the hearing impaired.

What's Included:
3 * Receivers; 2 * Transmitters; 2 * 12V 23A Alkaline Battery in Transmitter
 4 * Screws & Anchors; 1 * Mini Screw Driver
2 * Sticky Pads; 1 * User Manual
🎅【MULTIPLE RINGTONES】: Great choice for Christmas Day Party/Christmas Gift. Stereo speaker with 58 different ring tones to choose and 5 levels adjustable volume to change, setting different ringtones for different receivers can let you know which door the visitor is at; blue LED flash indicator is perfect for the hearing impaired or deaf; louder chime also great use in big house, office, classroom, warehouse, hospital, and so on
🎅【IP55 WATERPROOF & 1000ft Operating Range】: With CE, FCC, RoHS certified, withstands various harsh weather conditions; up to 1000ft ultra long wireless range transmission, stable working signal; Operating range up to 1,000ft/300m in open area. Higher penetration without worrying about signal obstruction, ensures you will never miss a visitor, even if you are a few rooms away or on another floor
🎅【EXPANDABLE MULTI-UNIT KIT】: Easy to expand the bells chimes, you can expand additional 10+ remote buttons (transmitters) and receivers, great choice at home, business, store or other occasion; it can remember your last melody and volume level when power is removed, no need to reset
🎅【EASILY INSTALL】: 1. Simply plug cordless receivers into socket; 2. Portable transmitters is battery powered, install with sticky pad or anchors & screws
🎅【After-Sale Service】: 😊Friendly customer service in 24hrs to make sure your 100% satisfaction, we offer refund or replacement for the unsatisfied products within 18 months of delivery

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