VEVOR Dual Battery Isolator Kit, 12V 140Amp, Manual and Auto Modes VSR Voltage Sensitive Relay with LCD Screen, Smart Battery Isolator for ATV UTV RV Camper Off-Road Vehicle Caravan Truck Boat Yacht Manual & Automatic Dual Operation Upgraded LED Display High and Low Voltage Protection Stress-Free Installation Silicone Sealed Interior Fit for Dual Battery Systems Cut-In Charging Voltage: ≥12.3V,Maximum Charging Current: 140A (within 5 minutes),Applicable Battery Voltage System: 12V Storage Battery,Voltage Sensitive Relay Dimensions (L x W x H): 2.7 x 2.7 x 2.2 in/ 68 x 68 x 56 mm,Item Model Number: VSR002,Cut-Out Charge Voltage: ≥12.6V,Continuous Charging Current ≥100A:,Product Weight (with all accessories): 0.47 lbs/0.215 kg,Main Material: ABS