General description Introducing the Wireless Doorbell, a convenient and reliable solution for your home. With a wireless range of up to 400 meters, this doorbell ensures you never miss a visitor, even if you're in another room or on a different floor. Its IP55 waterproof rating makes it suitable for various weather conditions, providing durability and peace of mind. Technical specifications Wireless range: 400 meters Volume levels: 5 adjustable levels, maximum intensity of 115dB Melodies: 50 different melodies available Speaker: 40mm stereo speakers for rich and clear sound Transmitter battery: Lithium battery with a lifespan of up to 3 years Operating temperature: -20°C to +60°C Water resistance: IP55 (dust and splash resistant) Installation Easy to install: Simply attach the transmitter to the wall, no wiring required Receiver plugs into an electrical outlet Usage Press the Next or Previous button to select from 50 melodies Memory function: Remembers the last melody and volume level