wireless doorbell, waterproof door chime kit operating at over 1000 feet with 2 plug-in receivers, 58 melodies, cd quality sound and led flash (2x chimes 1x button, black) cacazi <b>cacazi waterproof wireless doorbell with 1 push button and 2 receivers</b><br><br> get a new doorbell, if the old one always lets you down.<br><br> <b>why choose us:</b><br> we are doorbell professional producer. <br> we know what’s customer want. <br> we promise our doorbell in good signal and works excellent.<br> we offer the best after-sales service, promise to offer you 1 year after-sales service.<br><br> <b>technical specifications: </b><br> products brand: cacazi <br><br>model number: a60<br><br> working range: 1000ft (300m) in open space<br><br> color:2 colors available (black/white)<br><br> melody:58 chimes<br><br> volume: 4 levels from 25-110db<br><br> battery type: 23a12v alkaline battery<br><br> power source: 110 v(us plug)<br> <br>transmitter size: 77 x 46 x 20 mm<br><br> receiver size:95*65*24 mm<br><br> waterproof grade: ip44<br> <br><b>hints:</b><br> featuring multiple chime options, handy volume control and long working distance, the wireless doorbell kit is a must-have accessory for home, office, store and etc.<br><br> <b>if you need to change your music, follow the steps below:</b><br> 1. first choose the music you want to use.<br> 2. press and hold the receiver's music button until the receiver rings.<br> 3. press the transmitter, the receiver rings again, and the music matches successfully.<br><br> <b>blue led flashing alert</b><br> when you press the button of transmitter, it will flash blue light adding the additional alert for the hearing impaired people.<br> and the receiver will ring and flash blue light when receiving signal.<br> <br><b>easy installation</b><br> no wiring required.<br> simply plug the receiver into an electrical outlet and install the push button with included double-sided tape and screws.<br><br> <b>note:</b><br> the push button requires a battery which is already included, it is a kind of 23a 12v alkaline battery.