SadoTech Model CXRi Portable Wireless Door Bell Kit， Over 50 Chime Tones， over 500 ft Range [1 Remote Button， 1 Plug-In Chime &amp; 1 Battery Powered Chime]， (White)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Doorbell kit of 1 push button (transmitter) and 2 door chimes (receivers) supports a wireless range of up to 1000 ft / 300 m</li><li>Over 50+ different ring tones. Operating range of over 500 feet (1000 feet in open area). Four levels of adjustable volume from 25db to 110db.</li><li>One door chime can be plugged into an electrical outlet in your home， and the other is powered by 3 AAA batteries (not included)</li><li>Blue LED flashes when someone knocks at your door. And the sleek design easily blends with the decor of your home</li><li>Includes 1 Push Button， 1 Plug-In Door Chime &amp; 1 Battery Powered Door Chime， double sided sticker， anchors， screws， and A23 battery for remote transmitter</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51yRrWzLGyL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51hciKeaJFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51SD4c%2BtetL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41UYbfsNBcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41AzwizVdnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51jrfWT8P8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41YQlf02qHL.jpg" noproxy>