More safety protection such as flame failure device, anti-freezing protection,over heating protection,Just need 3.6PSI of water pressure 5.26 gallons of hot water can be output per minute. The maximum temperature raise is 167 °F,Applicable only Propane(LPG) Efficient & Energey SavingThe Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noiseMaximum power output 68000btuhour you will get instant endless hot water easily wherever you areCompact and lightweight structure with 115 energy saving technology,so you can get more hot water for less money. Portable Design-Portable Water Heater size and lightweight make the water heater easy to carry and allow you to enjoy an amazing hot shower after a long day of camping, in your RV. Complete Accessories-This tankless water heater comes with CSA approval 5FT Gas Regulator, 5 Spray Modes high pressure Shower Head with 59in(1.5m) extended Long Stainless Steel Hose and Shower Holder,There are three interface ports under propane water heater. The left one is the Air inlet. The middle one is the shower port,and The right one is the water inlet. Wide Usage- This Camping Heater, for Outdoor Shower,Which Bringing an Amazing hot Shower for you When you are Camping, Hiking, Fishing, Beaching, Portable Hot Water Sink etc. Besides, you can Also Wash your Pets with this Tankless Water Heater,Always check gas leakage before operation., Manufacturer: MOOILKO