Ovikel Wireless Battery Operated Doorbell， with LED Flash， 32 Melodies for Choose， Battery Operated receiver， Self-powered Bell Push IP44 Waterproof， Operating at 500ft Range<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>KINETIC PUSH BUTTON without need for batteries，generates energy to create a wireless signal by finger pressing. Never miss a visitor because of a dead battery. With an IP44 waterproof rating， our transmitter is weather-resistant for all climates</li><li>150 METER WORKING RANGE wireless design， no wires and no cables required， wherever you are in your house， up to 150m/500ft performance range ensures you to hear the bell and answer the door in time</li><li>LED LIGHT INDICATOR There's a LED flashing light indicator when the bell is ringing that gives you a visual notification， this is an excellent feature for the elder or hearing impaired person， also， it can be used as night light just by pressing one key.</li><li>4 VOLUME LEVELS (35-80db) Choose your favourite sounds from 32 musical tones. Make volume and music selections easily with 2 buttons located on the side of the battery operated receiver.</li><li>EASY TO INSTALL and IMPLEMENT. Components are factory paired for your convenience. No tools are required as the push button is affixed next to the entry point with included double-sided adhesive tape.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Shx6FKpkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61UhwSkaN1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51fwKyAzUML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51egn2Ub1OL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51BjXEBMdOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41cBlJodE-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41mbgrXIuRL.jpg" noproxy>