VEVOR RV Tankless Water Heater, Instant Shower with 15 x 15 inches Black Door and Remote Controller, 42000BTU Optimized Comfort Performance Hot Water, Ideal for RVers' Family Everyday Use, BlackInstant Heating Water HeaterYear-Round ComfortComprehensive Safety ProtectionRV-Ready DesignEasy AssemblyPremium MaterialsMinimum Starting Flow Rate: 2.8 L/min,Power Supply Voltage: DC 12V,Gas Inlet Size: 1/2" NPT,Item Model Number: TMRVQ-05010242,Item Dimensions: 15x15x14 in / 380x380x358 mm (depth excluding fittings),Water Pressure Range: 14.5-100 psi,Net Weight: 25.79 lbs / 11.7 kg,Heat Output: 42,000 BTU,Water Inlet/Outlet Connection Size: 1/2" NPT