1.1. Pull out the insulation patch on rear.

1.2. Press down the big circle head in which a speaker installed for getting the pre-recorded sound. The pre-recorded sound will be played 3 cycles.

1.3. To re-play the sound, press the big circle head once more when 3 cycles of the sound finish.

2. In order to prolong battery’s lifecycle, please insert the insulation patch between batteries (as factory default setting) when no need to use this sound module for long time

3. When volume is lower and lower, it means that the battery is using up. At this moment, please pick up the screw that located on the battery cover with screwdriver then replace the 3 pieces AG13 batteries.? The sound module can be renew after the battery replacement.