1. This Is a More Convenient Car Battery Disconnect Switch System That Can Remotely Master Kill Your Car Power System,A Proper Maintenance Will Extend And The Battery And Engine Life.2. Remote Operation,Comparing To Tranditional Battery Switch, This Remote Control Wireless Battery Switch Disconnect Allows You To Move The Trigger From Under The Hood To Your Hand So That You No Need To Frequently The Hood.3. Come With New Style Remote Control.You Can Even Control It In Your House,One Button Control On Your Dash For The Whole Car Power System, Remote Receiver Standby Current Is Very Low (0.005A).4. Universal For Trailer SUV VAN Small Truck Agricultural Vehicle Trike Auto Off Road.5. Integrated Design, Small Size, Avoid Cumbersome Wiring, Convenient Installation.6. Newly Upgraded Universal Installation Of And Negative Electrodes, 230A Higher Working Current, 420A Instantaneous Current, It Is And More Active.Working Voltage: 48V 2.4WWorking Current: 150AInstantaneous Current: 360A Size: 46 x 46 x 45mmFitment: Suitable For Any 12V-72V Vehicle With Displacement Less Than 3.0Installation Steps:Remove The Negative Or Power Of The VehicleFix The Vehicle Negative Or Power To The RelayFix The Relay To The Negative Or Pole Of The BatteryConnect The Red Wire To The Pole Of Battery, Black Wire To The Negative Pole Of BatteryColour:blackMaterial:Plastic + MetalPackage Contents:1 x Car Battery Isolator1 x Remote Control1 x Control Box1 set x installation harnessOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.