Home Security Digital Wireless Doorbell with 38 Melodies (2Pcs) <br>The doorbells can be installed in locations such as kitchen， back yard， bedroom， etc. <br>Completely wireless operation-no need of wires or cables.<br>Update intelligent flashlight design， great convenience for the hearing handicapped.<br>Wireless easy mounting design never affects your inner decoration and makes the doorbell anywhere you like<br>All day long anti-interference system prevents the doorbell from interferences outside or between neighbors<br>Exquisite smart part， makes the doorbell a saluting angel of dwelling house， office building， hotel， factory and so on. <br>You never miss any guest<br>38 melodies for selection and volume controllable<br>Built-in anti-interference design<br>Easy installation， no wiring required<br>Size of remote button: Approx 3.03"(L) x 1.69"(W) x 0.67"(H)<br>Size of door bell size: Approx 3.74"(L) x 2.56"(W) x 1.18"(H)<br>Receiver voltage: 3V DC， powered by 2 AA batteries(not included)<br>Color: Mainly White<br>Comes with installation sticker and screws<br>Remote control distance: 80m<br>Connection method: Wireless<br>1 x Transmitter<br>2 x Receiver<br>1 x Battery<br>In original package<br /><img src="http://img6.eachbuyer.com/x13/p83/bf162_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x13/p83/bf162_5.jpg" />                                                        <img src="http://img6.eachbuyer.com/x13/p83/bf162_6.jpg" />