Turn It clockwise to increase the voltage output. It was useful in boosting my 120mm computer fan's performance. Plus it fit in a Dollar Tree light switch box as that's what I have it stored in.

Turn It clockwise to increase the voltage output. It was useful in boosting my 120mm computer fan's performance. Plus it fit in a Dollar Tree light switch box as that's what I have it stored in.

Turn It clockwise to increase the voltage output. It was useful in boosting my 120mm computer fan's performance. Plus it fit in a Dollar Tree light switch box as that's what I have it stored in.

it's really well made and very effective amazing performance I have installed it on flytech rc boat for both motors its now roaring after I have adjusted the voltage for 15.7 v thought it could be easily raised up for more

it's really well made and very effective amazing performance I have installed it on flytech rc boat for both motors its now roaring after I have adjusted the voltage for 15.7 v thought it could be easily raised up for more

it's really well made and very effective amazing performance I have installed it on flytech rc boat for both motors its now roaring after I have adjusted the voltage for 15.7 v thought it could be easily raised up for more

Good.

Good.

Good.

bonne Qualité fonctionne bien

bonne Qualité fonctionne bien

bonne Qualité fonctionne bien

Works very well! Delivery was fast and package came undamaged.

Works very well! Delivery was fast and package came undamaged.

Works very well! Delivery was fast and package came undamaged.