Features: 1.High Quality Material: Dual battery isolator is made of high quality ABS material, wear resistant, anti shock, rugged and durable. 2.Excellent Performance: Professional manufacturing, exquisite workmanship, IP67 waterproof, can withstand extreme weather environments. 3.Protection: VSR will connect or disconnect the auxiliary battery and starter battery according to the car battery current charging level, protect battery. 4.Low Power Consumption: Standby power consumption as low as 10mA, working power consumption 250mA, with low power consumption. 5.Universal Fitment: Voltage sensitive relay universal fits for cars, yachts, RVs, ATVs, UTVs, etc, and the working voltage is DC 12V. Specification: Item Type: Voltage Sensitive Relay Material: ABS Working Voltage: DC 12V Rated Current: 140A Closed/Open Circuit Voltage: DC 13.3V/12.8 Continuous Rated Current: 90A to 120A Peak: 160A Waterproof Grade: IP67 Fitment: Universal for car, yacht, RV, ATV, UTV, etc.