It is a power convertor which helps to charge different things in one only. It is very useful.
- Sales Package:
1 X Barrel jack adaptor-screw terminal to 2.1mm male 1 X Barrel jack adaptor-screw pluggable terminal to 2.1mm male 1 X Barrel jack to screw terminal converter 1 X BNC adaptor female to screw terminal 1 X DC jack to JST 2pin Converter 1 X JST 2 Pin power connector
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