Applicable models: Suitable for RVs, yachts, trucks, automobiles, engineering vehicles, etc. Installation Instructions: This battery switch is easy to install, super safe, well made and works perfectly. Installation function: Remote car battery disconnect switches and standard battery disconnect switches are available in single and dual battery options. Product features, prevent leakage, protect power supply, disconnect battery (to prevent tampering and unauthorized use). Waterproof rated 500 amp continuous/5000 amp surge, 12 volts. Padlock hole and heavy duty fixed die cast handle, two 10mm threaded rods with nuts for negative battery cable. The switch is waterproof and also has a locking plate, it can also be used for the negative battery cable. Specification: Set: A: XL-0183 Working voltage: 12V Rated current: 500A Instantaneous current: 5000A Stud Specifications: 10MM Battery Disconnect: Turn the handle to cut off the power Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Material: Metal colour: black Package Contents: 1 x battery disconnect switch 1 x locking plate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.