400M waterproof wireless doorbell – 55 melodies and 5 volume levels – Blue LED indicator – Easy installation with 12V23A battery

【Easy to Install】Simply plug the receiver into an outlet and attach the transmitter to the wall or door frame using the supplied adhesive tape or screws. Without the hassle of cables 【400M Wireless Range】The penetrating wireless signal can be transmitted up to 400m in an open, accessible space, you will never miss a visitor even if you are several rooms away or on another floor. The chime does not interfere with other equipment in your home or that of your neighbors 【55 Melodies and Volume 5 Levels】Doorbell receiver with full and clear sound; press the follow or back button to choose between melodies; 5 volume settings with a maximum volume of 110 dB; enjoy pleasant and beautiful ringtones every time when someone is both.front door bell 【Waterproof Design and LED】The wireless transmitter made of superior material is waterproof to IP55 standard, stable performance is guaranteed for outdoor use. Blue LED on the button and receiver is a visual indication for host and visitor, it is also a fun and careful design for the hearing impaired 【Memory Function】The wireless doorbell kit remembers the last melody and volume level after a power outage; no reset required; designed for particularly practical and easy use for even more comfort 55 ringtones and 5 volumes（0-110dB) 55 different ringtones and 5 adjustable volumes ranging from 0 to 110dB. It's quite strong. 0 Silent mode You can put the mute mode if you do not want to be disturbed.Blue LED Flashes Both the button and the receiver are equipped with indicator lights that flash when someone presses the button, which is a very friendly feature for the hearing impaired and elderly. Memory Function The built-in memory chip ensures that the door chime remembers the music and volume you set previously, even if there is a power outage, you don't need to reset it. Dustproof and waterproof (IP55) The outdoor waterproof doorbell button adapts to different climates in DE and works in temperatures ranging from -30℃ to 70℃. High performance battery The doorbell button is powered by a 12V23A battery with a lifespan of 1 to 3 years. Expanding your doorbell system You can extend the coverage of your home doorbell by adding additional transmitters or receivers of the same model, these can be matched to your existing doorbell.There are two installation methods for you to choose 1. Attach the knob to the wall or door frame using the double-sided tape provided. 2. Secure it using screws (provided), but this requires you to have a small electric drill to drill holes in the wall. Note: Do not attach the doorbell to a metal surface, as this will shorten its wireless distance.