Waterproof-designed remote controller, the battery can be used upto two years. Indoor bell is powered by 3 X "AA" batteries. 12V mini battery for outdoor bell push button unit.
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Waterproof-designed remote controller, the battery can be used for two years.
Gently press the small gap at the underside of remote controller with flat Screw-Driver, open the battery cover of remote controller, insert 1 PC -12V" battery and then replace it. Choose your favorite sound by pressing.
Insert 3 PCS "AA" size battery into the receiver.
Replace batteries if find the bell do not work well