Coolyer LED Wireless Remote Control Doorbell Chime - 36 Melodies. Wireless Doorbell, Easy install, 36 chimes. Sleek and stylish design. These door bells require absolutely no wiring and you can fit one in less that a minute. The remote control button is waterproof and it lights up when pressed to indicate to your guest that it's working. The receiver also lights up when the remote is pressed making it ideal for hearing impaired people. The tunes can be changed at the touch of a button. These door bells are functional and fun.1. Easy installation: - Press the small gap on the underside of the remote control with a flat screwdriver - Open the remote and insert the 12V battery (small MS21/MN21 battery, included) - Close the remote again and then stick it where you want with the adhesive back - Insert the 2pcs AAA batteries (not included) into the receiver - Use the button on the side of the receiver to change the melody to your favorite.2. Wide application: - Used for home furnishing , office buildings, hotels, factories.3. Adjustable melodies: - 36 varities of tones to be selected to fit what is your favorite songs - Can press selection button to adjust the loud and quite songs4. Sleek design - LED indocator is flashing when pressing the button of remote controlPackage Content: 1 x Doorbell Receiver Size ( Doorbell Receiver ) : 9.5 x 5.5 x 2.5 cm 1 x Remote Control Size ( Remote Control ) : 7.5 x 3.6 x 2 Special Note: Install the device in unobstruted air even though it can range up to 100 meters. Large electronic appliances is not permitted to coexisted with the receiver, as lead to interference.
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