Wireless Range Up to 300m/1000ft?: The long working range of the wireless doorbell reaches 300m/1000ft, the strong and stable wireless signal ensures that you can clearly hear the doorbell chime even if you are one of them. Does not interfere with other devices in your home. Waterproof Doorbell: The wireless doorbell is raindrop-proof, ensuring flawless performance in outdoor environments. The doorbell can work between -4°F and 140°F and withstands harsh weather conditions. 3-Level Volume & 38 Ringtones: The receiver doorbell, it has 3 adjustable volume levels, from 0 to 110db. Choose from 38 ring tones, classic doorbell rhythm sounds. The LED lights are blue, perfect for the elderly, hearing impaired or noisy environments. "Easy to install": Just plug the receiver doorbell into the socket and attach the transmitter with the supplied accessories. You can install this bell in 5 minutes. This will unnecessarily reset the settings and volume levels after a power outage. High durable