AIGOSTAR Bell AC - Wireless Doorbell, Doorbell with LED Indicators, Waterproof

-?Wireless ringer?Plug the receiver where you need it to receive the acoustic signal, you can place the transmitter wherever you prefer as it is battery operated, so no need to plug it in and no wires are needed.
-?Easy to Install?Simply plug the receiver into an electrical outlet. The push button can be attached to the door frame with the attached adhesive strips or by using the screws and anchors included in the package. The blue LED will flash when someone presses the switch.
-?Different sounds & volume?You have 36 selective melodies and 3 adjustable volume levels, you can adjust it as you like.
-?Waterproof IP 44?It is specially made of waterproof material, it still works perfectly in rainy days.
-?Blue LED Indicator ?The transmitter button blue light flashes to give the visitor a friendly suggestion. This is also perfect for hearing impaired people.