Wireless Doorbell, HSYDIY Waterproof Door Bell Kit, Distinguish Front and Rear Doors, Over 1000 feet Range and 60 Chime, 5 Levels Volume and LED Flash, for Home Office Classroom (White)

Longer range - up to 1000 feet (300m) from the transmitter in the open air. Whether you're in the bedroom or the kitchen, our wireless doorbell kit can alert you to a call from outside. Never worry about missing a visitor.
60 Melodies with 5-Level of Adjustable Volume - The wireless doorbell offers a wide selection of 60 chimes for your choice. 5-level of volume range from 0dB to 110dB. Silent mode with just LED flash is available when you don't want to be disturbed.
IP44 waterproof - The doorbell push button is rated IP44 and weatherproof for outdoor use,the doorbell chime is suitable for any home, townhouse, apartment, office, school, hospital, hotel or other application.Our wireless doorbell is certified with CE, RoHs, FCC.
Easy to install: Simply mount the receiver where you want it, no outlet power required, battery power required, then secure the transmitter to the exterior wall using the provided screws or adhesive strips
This doorbell has a wide reception range, up to 300 meters; There are 60 types of music ringtones to choose from, with 5 levels of volume adjustment; and LED lights with ringing lights on.