Archive: Visitors will no longer need to bang on your door. Wireless Doorbell Remote Control that is energy saving, fashion design, touch button, easy to install, volume selection button, 36 music selection, works wireless, with replaceable battery.<br />Instructions for first setupThe smaller one is the remote control and is to be kept outside while the bigger one (the receiver) has speaker and is to be kept inside the home. The remote has a battery inside that needs to be activated by peeling off the water-proof covering the battery.<br />The receiver will need to be activated with 3 pieces of finger batteries AA.<br />The special and pleasant sound of the doorbell has several bell controls for different individual to choose. Suitable for use in dwelling house, tier building, multiple apartments, hotel, factory, hospital or any other places. Very easy, and convenient to use.