Wireless Doorbell by LDesign， Waterproof DoorBell Kit Mini Door Chime - 1000 feet Operating &amp;- 1 Plug-In Receiver &amp; 1 Push Button Transmitter with Battery (Grey)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>LDesign waterproof Wireless Doorbell， comes with 1 plug-in receiver and 1 push button transmitter， with high quality and durablity</li><li>Wide Range: Operating range up to 1，000ft/300m in open area ensures you to hear the bell and answer the door in time</li><li>Selectable Ringtones: With 52 different ringtones and 4 volume levels， help you to customize the unique style as you want</li><li>Easy Installation: Easily plug the receiver to power outlet and set the botton transmitter on wall (NOTE: Please replace the battery of the transmitter every 12~18 monthes)</li><li>Other Uses: Not only to use as doorbell， but also to use as prompt bell or calling bell for children or elder</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ZO7LsW0PL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/418pwnFlgSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41g3fRD5bnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41IzVPICuTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41R59J6kIoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41uYjdGVFjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Nw-9GjNUL.jpg" noproxy>