[Extra Long Wireless Range]This wireless doorbell provides a long-range connection up to 300 M/1000 feet without interfering with other devices in your home. [58 Loud Rings]The plug-in doorbell receiver chime features 58 tunes and 5 adjustable volume levels ranging from 0 to 120 dB. It will remember your settings even if the power goes out. [LED Indicator]When the transmitter is pressed and a signal is received, the 7-color LED indicator on the plugged-in receiver will flash. They alert hearing-impaired people when doorbell sounds are (temporarily) unwanted. If a chime is not required, silence the wireless waterproof doorbell and provide a visual notification via LED when someone is at the door. [Easy to Install and Setup]Simply plug the receiver into a power outlet and use the provided screws or adhesive sheets to secure the transmitter to the exterior wall; No need to reset the tune and volume after a power outage.