Doorbells By TRAUST

• [SELF POWERED DOOR RINGER] The remote doorbell button DOES NOT require batteries as it will generate electricity by itself and send a steady signal to the receivers when you press the transmitter. The wireless door bell with plug in chimes system save you the hassle of replacing batteries.
• [ULTRA-LONG WIRELESS RANGE] Wireless door chime kit is a plug in doorbell wireless system, covering a range of 1000ft to ensure you don't miss visitors. Makes it a great door buzzer for business entry, doorbell for classroom, apartment doorbell, and emergency service bell for elderly.
• [36 MELODIES & 5 VOLUME LEVELS] TRAUST mini wireless door bells can be extended with multiple receivers and doorbell push button as entry alert chime. Features 36 melodies & 5 levels of adjustable volumes from 0 to 105dB, it's an extra loud doorbell to be the best classroom doorbell for teachers. The LED flasher on the door chimes are easy to notice, serve as the hearing impaired's best bells for door.
• [1-MIN INSTALL & Go Cordless] Just attach the white wireless doorbell button to anywhere you like with the included 3M tape or screws, and plug the wireless doorbell chimes into power sockets to complete the setup. They won't interfere with other devices in your or your neighbor's home.
• [IP65 WATERPROOF & WEATHER-RESISTANT] Operates normally between -4~140 degree F and can withstand a variety of harsh weather conditions making this ringer doorbell wireless for home always reliable. Questions? Don't hesitate to contact us. We will provide you with adequate assistance, and be the best choice of waterproof door bells for home.