[No Batteries Needed] Wireless Doorbell, Waterproof Door Bell Electronic Chime Kit with 2 Plug-in Receivers, 150M Range, 45 Melodies at 4 Volume Level for Home, Office, Hotel

No Battery Required: Our wireless doorbell transmitter uses unique PUSH-RF technology. When you press the button, the kinetic energy is converted into an electrical signal that rings your doorbell wirelessly. No more worrying batteries. More convenient, energy-saving and practical than the old one. 45 Beautiful Chimes and Melodies: Offers 45 classic melody chimes with adjustable volume control and diverse selection to meet your needs. 4 adjustable volume levels from 0dB to 90dB, which is loud enough for the elderly to hear; enjoy pleasant melodies every time someone rings your doorbell. The LED indicator gives you a visual form of notification (a great feature for the hearing impaired). IP44 Waterproof: IP44 waterproof design of the transmitter, made of ABS, non-toxic, safe and recyclable, can work at temperatures between -20℃ and 65℃, and withstand various severe weather conditions, sun, rain, snow, frost etc. Widely used for home, office, hotel, villa, hospital, study, apartment, school and other suitable fields. Long Wireless Range: With 150M/500FT wireless range, 2 plug-in receivers included, will not interfere with other equipment in your home or your neighbors; ensures that you will never miss a visitor, even if you are a few rooms away or on another floor. Ideal for large homes, warehouses, offices, etc. Easy to Use: Convenient and easy-to-use design for a better user experience. Simply stick the doorbell next to your door with the included double-sided tape or use the screw to mount the cover on the wall. then plug the receiver into a power outlet. All URESMAT wireless doorbells can be re-paired and controlled together.