Feature●?【Upgraded Quick Connect 2-Stage Auto Changeover LP Propane Gas Regulator】This Rv Propane Regulator allow you to hook up 2 Propane tanks and automatically switches from primary to reserve tank when primary is empty and vice versa. The indicator will changes color to let you know when a tank has been depleted and need to be refilled also remind you switching to the backup tank. For RVs with dual propane tanks allow removal of empty cylinder for non-stop refill without interrupting propane supply●?【Upgraded 2 Pack 12 inch Stainless Braided QCC1 1/4 Quick Disconnect Connect RV Pigtail Propane Hose with Gauge】U pgrad Propane hose quick disconnect connections for more speed and Not leak. Convenience and stability. No tools required, Quick-Disconnect Connect installation, saving your time. The propane tank hose comes with 3 different color tank level indicator gauges with glow in the dark dials, allowing you to read and monitor the gas level and detect leaks without removing the tank●?【Specification & Material】RV Regulator: Inlets are 1/4"Female Quick Disconnect, Outlet is 3/8" Female NPT, Primary Cylinder Capacity 210,000 BTU/hr, Reserve Cylinder 130,000 BTU/hr. RV Pigtail Propane Hose: 1/4 Male Quick-Disconnect Connect Plug and QCC1 Fitting. All Fitting Connectors of Propane Hose, both ends of 2-stage regulator made of 100% Solid Brass. RV propane hose made of durable stainless braided. Propane Hose and regulator with CSA Certification, ensure air tightness and stability●?【For RV/Camper/Travel Trailer】This 2-Stage Auto Changeover LP Propane Gas Regulator for RV with two 12 inch Pigtails RV Propane Gauge Hoses Set, suitable for RV with dual propane tanks. These 12" RV pigtail propane hoses with 2-stage propane regulator can connect dual 5-40 lb refillable propane tanks or LP gas tanks to your campers 1/4" Quick Disconnect Connect. Replace any existing automatic changeover regulator on your current RV, Travel Trailer, Camper, maintains constant an continuous gas●?【Package List & 100% Satisfaction Guarantee Promise】Package includes: 1 PC Upgraded Quick Disconnect 2 Stage Auto Changeover RV Propane Regulator + 2 PCS 12 inch Stainless Braided 1/4 Male Quick-Disconnect Connect Plug and QCC1 Fitting hose with Gauge + 1 PCS Regulator Brackets and screws If for any reason you are not satisfied with our products after received within 1 years, simply contact us for Free Replacement or Refund. Our Customer Service will solve your problems within 24 Hours.Description 2-Stage Automatic Changeover LP Propane Gas Regulator with Two 12" RV Pigtail Propane Hoses with Gauge, QCC1 x Upgraded 1/4 Quick Disconnect Connect, Propane LP Gas Regulator for RV Camper Trailer