... high quality. 3.RoHS compliant & ISO9001. 4.OEM. ProductionnameBC1 Adjustable Rheostat,Variable Resistor,Wirewound ResistorPower rating25W-3000WResistance value1Ω-10KΩResistance ... power rating,resistance to humidity, resistance value in great adjustable range.3.Widely used in educational modeling,load simulations, ... dimension and packing .3. More details, please contact us. Adjustable Rheostat