Fosmon 51002HOM Wireless Doorbell (Operating Range - 300M/1,000FT | 52 Chime Tunes | 4 Volume Levels | LED Indicators) - 1 Remote Button, 2 Plugin Receiver Maximum of 1000ft / 300m operating range Modern and contemporary design gives flexibility to install anywhere in your home 52 unique chime tunes and 4 volume levels Built-in LED indicators create visual alert Easy to install with the accessories provided