DC Motor Speed Controller Reversible PWM Reversing Control Switch 12/24V 40V UK

1:With this larger stand foot, your bike always has a secure footing,even on soft ground, muddy verges, sand, soft asphalt and uneven surfaces. PWM frequency: 21KHz. Photosensitive Drying Film Circuit Production Photoresist Sheets 30cm X 5m GB UK.

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