Complete Kit, Installation Made Easy: Enjoy hassle-free setup with our all-in-one package, which includes every essential you need: red heat shrink tubing, lug cable ends, positive & negative battery connection cables, screws, and cable ties. No need for additional purchases, ensuring you have everything at your fingertips for a quick and easy installation. Installation Made Easy Comprehensive Protection, Dual Security: Trust in the smart, secure operation of our voltage sensitive relay isolator, equipped with advanced high and low voltage protection. Anytime voltage is below 11V or above 17V, it automatically disconnects the circuit, protecting your primary battery from deep discharge and your secondary battery from overcharging. Experience enhanced security and lasting performance with every use. Real-Time Monitoring, Voltage at Your Fingertips: Stay informed and in control with our smart battery isolator, featuring an LED display that provides immediate status updates on your high-voltage battery's health. Keep tabs on your battery's condition at all times, ensuring reliable support throughout your journeys. Enjoy peace of mind and more secure energy usage wherever you go. Manual/Automatic Modes, Seamless Switching: Say goodbye to complicated setups with our 12V 140A dual battery isolator kit! In manual mode, a single button press connects or disconnects your circuit. Switch to automatic mode, providing smart switching without the need for manual intervention. Bid farewell to circuitry woes and upgrade to smoother operations with our voltage sensitive relay (VSR)!