Fabbay 8 Wireless Doorbell Waterproof Door Bell Button Kit 4 Pcs Home Doorbell with 4 Receivers 1000 ft Range 5 Volume Levels with 60 Door Bell Chimes and LED Flash for Home Office ClassroomBlack

Package contents The package contains 4 remote doorbells and 4 doorbell receivers Each doorbell corresponds to one receiver and the signal is paired onetoone to prevent interference in error This is enough to install the doorbells in different rooms of your home Please note that one doorbell only corresponds to one receiver Easy to Install each wireless doorbell comes with double sided adhesive tape and screws you can choose the installation method you like the receiver can be applied after plugging in they come with instructions for use and installation so you can easily install them in just a few minutes IP44 Waterproof Standard the black doorbell is mainly made of ABS material which is sturdy high and low temperature resistant it can meet the IP44 waterproof standard so you can install it outdoors without worrying about bad weather affecting its normal use Convenient to Use the receiver of our wireless doorbell has 60 different chimes you can set different chimes in different installation locations so that you can know the direction of visitors the receiver has 5 levels of adjustable volume you can adjust the volume arbitrarily to avoid disturbing and this product uses AA batteries Good Performance the signal transmission distance of our doorbell without wiring is long and the sensing distance can reach about 1000 feet in an unobstructed environment it has strong anti interference and the signal is one to one paired do not worry about wrong signal connections to the next door.