Wide Application: Suitable for automotive vehicle RV and marine batteries with standard 15-17MM tapered top post terminals.Durable Material: The top post switch is made of plastic and solid brass rust resistant durable and sturdy safe to use suitable for long time use.Main Purpose: Used in batteries to isolate and secure electrical systems reduce battery drain when not in use in cars or boats and safely disconnect batteries.Easy Use: Turns power on and off by just lifting the lever up or down on/off 2 position quickly disconnects and reconnects your electrical system.Easy Install: Horizontal type can change to vertical type easily easy to install.Specification:Material: Plastic+BrassColor: GoldSize(LxW): About 92x39mm/3.62x1.54inchRated current: 250AInstantaneous current: 750AInstallation position: battery negative polePackage includes:1pc x Battery Disconnect SwitchNote:1. Due to the light and screen difference the item&039;s color may be slightly different from the pictures.2. Please allow 1-2 cm differences due to manual measurement.