Modern and stylish design，easy to install<br />Low power consumption<br />280-300 meters wireless distance<br />52 selectable musics<br />4 levels adjustable sound volume<br /><br />Specifications: the British<br />Material: ABS<br />color: White<br />Receiver Size: 80 * 80 * 35mm<br />Transmitter Size: 71 * 45 * 17mm<br />Key: Ringtones adjust button， volume control keys<br />LED color: blue<br />main feature:<br />1， Watermark Design<br />2， the touch buttons<br />3， waterproof rating IP44<br />Specifications:<br />1. Learning Code<br />2. Frequency: 433MHz<br />3. Voltage: 110V or 220V / 50Hz<br />4. lighting modes: light rings<br />5.52 and Hyun music ringtones<br />6.LED indicator<br />7.4 adjustable volume (25-110dB)<br />8. Volume keys and music keys and learning and clearance<br />9. Accessibility Working distance: 280-300 meters<br />10. Packing: boxed<br />11. with battery (12V 23A)， brochures， glue block， screw package<br />Package:<br /><br />Doorbell x 1<br />Transmitter x 1<br />Touch paste x 1<br />3M glue box x 1<br />Screw x 2<br />Bolt x 2<br />English manual x 1<br />Carton packaging<br /><img src="http://img6.eachbuyer.com/x9/p100/ct373_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/ct373_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/ct373_6.jpg" />