device: Bell https://amzn.to/41RlpyK ErayLife Wireless Doorbell Wireless Set, Waterproof Wireless Bell 100 m Range with Plug-in Receiver, 5 Volume Levels, 32 Melodies LED Flashing, Easy Installation for Home, Office High performance transmitter: Due to the ultra-low power consumption and the CR2032 lithium battery (included and installed), the transmitters reach a maximum service life of 3 years. The range is up to 200 m and the signal penetration is strong, the radio transmission is not disturbed by other devices in your home or those of your neighbours. 【32 ringtones to choose from】The doorbell has a huge selection of 32 melodies, press the next or back button to choose between melodies; 5 volume settings with a maximum volume of 120 dB; enjoy the pleasant and beautiful ringtones every time someone rings at the door. LED display with mute mode: Built-in LED flash lights on the receiver, doorbell radio lights up at the touch of a button and gives us a visual indicator that someone is at the door. A lighting option is particularly important for the baby's sleep and nap time. Memory function: this programmable doorbell has an intelligent memory function, every time you turn on the doorbell radio after a power failure, it remembers the last selected settings of melody. Our door ring can be used for home, apartment, school, country houses, office and more. Easy to set up: simply attach the wireless doorbell transmitter to a wall with the included screws or adhesive tape. Comfortable and easy to install, requires no electrical wiring and offers more freedom where the homeowner can install the doorbell. __________________________________________________________________________________________ Thank you for watching my videos! I'd really appreciate it if you subscribed to my channel or if you leave a positive feedback. My social media links: Instagram: https://www.instagram.com/pduesp/ Facebook: https://www.facebook.com/sascha.pduesp.9 Twitter: https://www.twitter.com/pduesp All products shown in my videos have been purchased by myself. (In case of exceptions they will be marked as such) Everything I say and suggest is my own opinion, and of course if you decide to follow my advice then please take care of your own safety. I might post affiliate links in the description for products and tools that I use regularly. If you use these links to purchase your own products you can support me and my channel, helping me to produce more content. (You will incur no extra charges for using these links, they remain the same price as before) Sincerely yours, pduesp