Coolqiya Wireless Doorbell with 2 Remote Button and 3 Plugin Receiver， No Batteries Required for Receiver over 50 Chimes， White<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>IT'S DURABLE AND HEALTHY FOR PEOPLE: Transmitter with super rating IP44 waterproof; With CE， FCC， RoHS certified.</li><li>SUPER LONG DISTANCE TRANSMISSION: It's made of high-precision electronic components， operates at a highest distance up to 1000ft (in an open air， no obstacles)</li><li>UNIQUELY DESIGNED WIRELESS DOORBELL KIT: With over 50+ different ring tones and four levels of adjustable volume. The transmitter with transparent cover， allows you or visitors to leave message.</li><li>ULTRA EASY INSTALLATION: No batteries required for receiver， simply plug it into a power supply (US Standard); Mount transmitter with double-sided adhesive tape or anchors &amp; screws included. And the ring tone can be set different for each transmitter button.</li><li>WARRANTY: At Coolqiya， We are 100% dedicated to your complete satisfaction. If the product have any issue， we'll assist you till you're satisfied or make a full refund in 18-month.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41F8wY38BCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31ReaCI9GrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41B5zvISzUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31RFT-fEW4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/415fArzYH4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51IniEEEcsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41pgG27f3pL.jpg" noproxy>