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User Manual ZTB-023 Brief instruction: Features: 1. Operating range up to 100 meters in open area without any electronic interference. 2. Easy to install and brings no effect to your interior decoration. 3. 3 pieces of music could be optional.
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1. Loudspeaker 2. Opening for wall-mounting 3. Tune-hold 1 second 4. Battery compartment lid(battery compartment for 2*AA size batteries) 5. Bell push 6. Battery compartment for 1*3V,CR2032 battery. Installation: 1. Installing the right batteries into the receiver and transmitter. 2. Press the button(transmitter),the doorbell(receiver)works well. 3.