Ultra-Long Distance Wireless RangeThis wireless doorbells boasts a remote connection of up to 300 M/1000 foot and does not interfere with other equipment in your home. Loud ChimesThe Plug in doorbell receiver bell has features 36 tunes and 4 adjustable volume levels ranging from 0 to 100 dB. It will remember your settings even if power outage. LED IndicatorThe LED light indicator on the plug in receiver flashes when the transmitter is pressed and a signal is received. They alerts those with impaired hearing or when the doorbell sound is (temporarily) unwanted. Mute the wireless waterproof doorbell if a ringtone is not desired and get notified visually by the LED instead when someone shows up at the door. Weaterproof & DurableUltra-low power consumption and CR2032 lithium battery gives a lifespan of up to 3 years; no need to worry about frequent battery replacement; IP44 waterproof rating4 (-4 F to 140 F). Easy to Install and SETSimply plug the receiver into a power outlet and attach the transmitter to the exterior wall with the provided screws or adhesive patch; there is no need to reset tune and volume level after a power outage.