<p>[No batteries required] Wireless doorbell, waterproof doorelectronic ringer kit with 2 plug-in receivers, 150M range, 45 melodies in 4 -[No batteries required] Wireless doorbell, waterproof doorelectronic ringer kit with 2 plug-in receivers, 150M range, 45 melodies in 4 volume levels, suitable for home, office, hotel. Product Description</p> <p>&nbsp;No batteries required: our wireless doortransmitter uses the unique PUSH-RF technology. When you press the button, the kinetic energy is converted into an electrical signal to ring your doorwirelessly. No more worrying about batteries.</p> <p> More practical, energy efficient and useful than older models.</p> <p>&nbsp;45 beautiful chimes and melodies: offers 45 classic melodic chimes with adjustable volume control and a diverse selection to suit your needs. 4 adjustable volume levels from 0dB to 90dB, enough for the elderly to hear; enjoy the pleasant melodies</p> <p> whenever someone rings your doorbell. LED indicators provide you with an intuitive form of notification (a great feature for the hearing impaired).</p> <p>&nbsp;Waterproof IP44: IP44 rated transmitter waterproof design, ABS material, non-toxic, safe, recyclable, can work in temperatures from -20°C to 65°C, withstand all kinds of adverse weather conditions, sun, rain, snow, frost, ETC. widely used in homes,</p> <p> offices, hotels, villas, hospitals, offices, flats, schools and other applicable areas.</p> <p>&nbsp;Long wireless range: with 150M/500FT wireless range, including 2 plug-in receivers that won't interfere with other devices in your home or neighbourhood; ensuring you don't miss any visitors, even if you're several rooms away or on another floor.</p> <p> Ideal for large homes, warehouses, offices, etc.</p> <p>&nbsp;Easy to use: easy to use design for a better user experience. Simply use the included double-sided tape to attach the doornext to the door, or use the</p>