DC 12V/24V Motor Speed Controller for Fan Heater Adjustment, Single Unit

Fine workmanship and stable performance. Durable in use. For car truck fan heater control. Can be used for fan, car heater fan, defroster. Operating voltage: 12/24 V Current: 10 A Red wire: power 12V or 24V + Other red wire: motor + Blue wire: motor - Black wire: power - Control speed range: 0-100% Material: Plastic + Metal Color: As shown Package Contents: 1 x Motor Speed Controller Switch Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.