Smart Wireless Doorbell Home Remote Villa AC Doorbell One-to-one Pager Doorbell WIDELY USE - Wireless doorbell receiver with 1 doorbell button, this waterproof wireless doorbell kit is ideal for with two doors or entrances. Additional buttons can also be used as a portable public address system. Wireless doorbells for , office buildings, hotels, residential areas, families, even emergency pagers for the elderly or pregnant women, and music alarm clocks for children. 36 Ringtones and 4 Adjustable Volume - The wireless doorbell offers 36 ringtones to choose from to suit your personal taste, including regular ringtones, sweet ringtones, and more. Adjustable 4 volume . Remote Control - Unlike most other wireless electronic doorbells on the market which have a maximum operating range of 500-600 feet in open space, this wireless doorbell has a maximum operating range of 1000 feet (300m) in open space. LED Flash - When the button is , the doorbell transmitter and receiver flash simultaneously with obvious brightness. The transmitter is powered by a 12V 23A battery and has been tested to deliver up to 10,000 clicks in daily use without the need for frequent battery replacement. WATERPROOF - Simply plug the wireless doorbell receiver into a wall , mount the doorbell button using the included double-sided tape, or screw it to the wall (screws included). The wireless doorbell button has an IP55 rating, making it and suitable for outdoor use. equipment 1 set of wireless doorbell (1 transmitter + 1 receiver This is an amazing design. Interesting and innovative, allowing you to enjoy life! Bring you a beautiful feeling and a good mood in the day Use safe and compliant materials, you can rest assured to use Easy and Convenient to use Because the display effect of different monitors is different, there will be some differences in color