Make-- contact design allows switching between battery without power interruption Ignition , safe for installation aboard gasoline powered boats Case design allows surface or rear panel mounting Specifications Switch Type: Selector 4 Position Color: Red Switch Positions: 4 Battery Combine: Yes Alternator Field Disconnect: No Maximum Voltage: 32V DC Terminal Stud : 140 in-lb (15.82 Nm) Continuous Rating : 2000A Cranking Rating 1 min : 1000A Battery Inputs: 2 Cable Clearance For 4/0 AWG Cables: 1.10in (27.94 mm) Cable Size to Meet Ratings: 4/0 AWG (120mm sq) Mounting Holes: Accept 1/4inch (M6) Screw Terminal Stud Size: 3/8inch - 16 (M10) Material:Plastic + Metal Package Contents: 1 x Battery Disconnect 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.