Description :<br>35 Melody Chime EU Plug in Wireless Door Bell 1 Remote Control + 2 Receivers<br>Features : <br>1. Easy to install， no wire needed， and tiny price !2. EU plug optional， elegant design.3. Intelligent flash light function.4. Up to 100m Operating radius.  5. Wireless easy mounting design never affects your inner decoration.6. All-day long anti-interference system - prevents the doorbell from interferences outside or between neighbors.7. Energy saving and the battery inside the button can last up to for one year(20 presses per day).<br>Very easy to use : Put the alarm unit around you， and the button unit install at somewhere like door or gate or window or someone's home need care， when he\/she press the button， the alarm will ring the music as you set， to alarm you where is needed :)Ideal for homes， offices， guest rooms， hotels， hospitals and etc. Alternatively， it can be used as a message paging alarm for the patient or babies.<br>Specifications :                  Color : WhitePlug In type : EU plugDoorbell Size : Approx. 6.5(L) x 3(W) x 9.5(H) cmDoorbell Button Size : Approx. 4.3(L) x 2.2(W) x 7.3(H) cmTransmission Range : &amp;ge;100 meters (open area)Melodies : 35 tunes selected by Down-Up switch， adjustable volume (Low， medium and high)Batteries : 1 x 23A 12V battery for remote control<br>Function of buttons :                     &amp;quot;LO&amp;quot; : low voice&amp;quot;MED&amp;quot; : media voice&amp;quot;Hi&amp;quot; : high voice&amp;quot;Down&amp;quot; Or &amp;quot;up&amp;quot; : music selection<br>Package includes : <br>2 x EU Elegant Wireless Home\/Office Doorbell Alarm1 x Remote Control(It will also comes with a mini adaptor according to your country)<br>Details pictures :