1. The Switch Can Be Operated Normally By Battery Or As An Auxiliary Switch. 2. Small Size, Beautiful Appearance, Strong And Durable. 3. Easy To Install, There Are A Variety Of Installation Methods Choose From. 4. Trucks, Tractors Professional Racing Cars. Today, Switches Used In Many Conventional Motorhomes. 5. Product Has Wide Range Uses, On/off Various Electrical Equipment Installed Inside Outside Car (such Strobe Lights, Chassis, Fog Ceiling Instantaneous Power Failure, Etc.). Name: Isolator Rated Current, Voltage:12-24v, Contact Resistance:50m Insulation Resistance:100m Note: Guide Not Included, We Strongly Recommend You Seek Installation. Please Check Much Possible Make Sure Item Is What Need. Tips: May Updated Constantly ,due Different Batches, Actual Have Slight Differences Color Which Does Affect Use Colour:photo Color Material:plastic + Metal Package Contents: X Off Master Switches Only Above Content, Other Products Included. Note: Light Reflection Displays Cause Picture Little From Real Thing. Measurement Allowed Error 1-3cm.