Rosario Digital wireless remote control doorbell Polyphonic Musical Door Bell Wireless Door Chime(36 Tunes)
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(For bell) Open the battery cover and install alkaline batteries in correct polarity at the top of the back, there is a hole to hand it on (For push) Open it with a screwdriver remove the insulating paper of the battery Rotate the screwdriver to open the bell puch Remove the insulating paper before use
