[PURPOSR]By cutting off the battery with a master battery disconnect switch removes all parasitic loads and small leakage currents, Works Great As a Power Disconnect for RV's When Not in Use. [PREMIUM QUALITY]Made of robust aluminum alloy heavy duty housing, strong weather resistance and long service lifespan. Protects against parasitic battery drain. [EASY TO INSTALL]This battery isolator switch with face plate is easy to install. The panel faceplate is clearly labeled with off and on positions. And they also included 3/8inch brass studs with nuts and locking washers to that the switch is snugly secured to your power panel. [COMPATIBLE]This high current battery disconnect switch is used for DC 12 - 24 V systems to isolate and secure the electrical system, rated to 300A Continuous or 1000A Intermittent.This makes sure that the item will not fail even when the system experiences an electrical surge. [WIDE APPLICATION]Widely used for ATVs, Trailers, UTVs, Cars, Marine Outboard, Off-road, RVs, Trucks, Heavy Vehicles, and electrical equipment's switch. Note: Slight differences in the product does not affect the use Colour:Photo Color Material:Metals Package Contents: 1 set x Disconnect Switch 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.