Specification Brand : Tecsunjia BulletPoint1 : DC12V Voltage Regulator Motor Driver Control Module For DC Water Pump Switches BulletPoint2 : Voltage:DC12V ,Approx.4*4cm / 1.6*1.6in (Cable length: Approx.22cm/8.7in) BulletPoint3 : Connect this switch with lamp or home appliance in a series connection, then rotate the knob for dimming, speed, voltage, temperature control. BulletPoint4 : Easy to install, you can adjust the speed controller BulletPoint5 : Package Include:2 x DC-12V Voltage Regulator For DC Pump Speed Control ItemName : DC12V Voltage Regulator Motor Speed Controller Module for DC Water Pump Switch-2pieces ItemPackageDimensions_Height : 24.4 centimeters ItemPackageDimensions_Length : 2.6 centimeters ItemPackageDimensions_Width : 13.9 centimeters ItemTypeKeyword : motor-speed-controllers Manufacturer : Tecsunjia Material : Copper ModelNumber : TSJ-1423682-2 PartNumber : TSJ-1423682-2 ProductDescription : Package Include:2 x DC-12V Voltage Regulator For DC Pump Speed Control ProductSiteLaunchDate : 2024-05-15T10:37:47.932Z UnspscCode : 26111500 Voltage : 12 volts