Easy to use wireless doorbell No wiringrequired, water proof and very easy to fit Receiver flashes a bright led when doorbell isrung - perfect for the hard of hearing 100 metre range - Installed in Seconds IMPORTANT - THE BATTERY INSIDE THE BELL PUSH HAS A CLEAR PLASTIC WRAPPER TO ENSURE BATTERY IS FULL WHEN FIRST COMMISSIONED THIS WRAPPER MUST BE REMOVED BEFORE THE BELL PUSH WILL WORK 36 Easily Selectable Chimes / Tunes Modern Stylish Design Wireless Doorbell - Extremely easy to fit within minutes - no wires to install - 32 different tunes including a couple of Christmas tunes and even the happy birthday tune for those special occasions. Tunes can be easily selected by the touch of a button. The receiver and button light up when the button is pressed. Ideal for hearing impaired people. This is a fully functional and fun doorbell. Colour: White Package Included: 1 x Wireless door bell button ( Remote Size: 6.5 x 4 x 2cm) 1 x Door bell receiver (Receiver Size: 8 x 6 x 2.5cm ) 1 x 12V battery 1 x Double sided adhesive Instructions -: Press the small gap on the underside of the remote control with a flat screwdriver. Open the remote and insert the 12V battery (small battery, included). Close the remote again and then stick it where you want with the adhesive back. Insert the 2 * AAA batteries (not included) into the receiver. Use the button on the side of the receiver to change the melody to your favourite.