* Runs on 7 to 12 volts DC.

* Has built in audio amplifier with 720mW 4 ohm speaker output, with an adjustable volume.

* Can play back once or looped.

* The audio chip has 100 year message retention without a power supply.

* Screw terminal connector for speaker, line out and line in.

MX022 Dimensions:

* 2.5 inchs by 3.5 inchs 3/4 of an inch high, or 6 cm x 8 cm 20 mm high.

* 2.1mm barrel type power plug center positive. The board will operate over a wide range of volatge from 9 to 15 VDC.

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