Features:1 PUSH BUTTON AND 2 RECEIVER: Wireless doorbells push button with receiver, this doorbell kit is the perfect choice for home with two floors or two rooms. Door bells fit for home, office, villas, apartment, hospital, hotel, business, factories.LONG DISTANCE WIRELESS RANGE: The wireless signals up to 1000 feets in open space and doesn't interfere with other equipments in your home or those of your neighbors; ensure that you will never miss any visitors, even if you are several rooms away.PLEASANT CHIMES: The receivers offer 52 different tunes and 4 adjustable volume leves ranging from 0 to 110 dB; an LED indicator alrets those with impaired hearing or when doorbell sound is unwanted.WATERPROOF AND ENERGY SAVING TRANSMITTER: Ultra low power consum.