Feature: 1. Automatic Charging Relay: Help to avoid battery exhaustion, automatically combines two batteries and isolates them when charging, and uses two batteries separately when not charging. 2. DC 12V / 24V Automatic Detection: 12/24V input automatic range, VSR relay can automatically detect the voltage, and can detect the voltage of any battery pack. 3. Low Power Consumption: In the case of storage mode, zero power consumption can be achieved, energy waste is completely avoided, and the use is safer and more secure. 4. Premium Materials: Sturdy glass fiber reinforced nylon housing with multi directional opening design provides flexibility when installing, convenient for operating. 5. Built in LED Indicator Port: The VSR voltage sensitive relay is designed with an LED indicator port (excluding LED), which is used to indicate the VSR status when the VSR starts. Specification: Item Type: VSR Relay Material: Nylon Continuous Rated Current: 125A Intermittent Current Rating: 140A Power Consumption: 13mA (standby), 270mA (engaged), 0mA (storage mode) Terminal Size: M6 (1/4in) Yellow Line Length: Approx. 40cm/15.7in Black Line Length: Approx. 45cm/17.7in Waterproof Grade: IP67 Application: ATV, UTV RV, car, ship, yacht, etc.. Package List: 1 x VSR Relay4 x Screw1 x Manual