EFFORTLESS CONTROL- You can easily adjust the water temperature by rotating the gas & water knobs on the panel Switch the summerwinter mode to change the fire row amount and save 40 gas in your bill The combustion device will reach 808 thermal efficiency to save 11.5% energy. Start at a 0.015 MPA low water pressure; normal working pressure is 0.02 MPA-0.8 MPA. WALL-MOUNT & DETAILS This gas water heater is lightweight portable to be installed on the wall tree or outside the RV for spacesaving Wellselected devices are included like copper standard G12 hose connectors, filtration mesh, gas emission tube, and copper water tank. Ignite the heater with 2 "D"cell batteries, and no pilot light is needed. DIVERSIBLE USE SCENARIOS- CE test passed, fast to heat, this propane hot water heater is perfect for showering, pet washing, outdoor cleaning, camping and trip road, etc. Provide you with constant hot water, especially in winter or cold places. Instant, endless hot water, enjoy a comfortable showering at any time & any location This camping propane water heater adopts brushed stainless steel shelling which makes it antirust and fashionable We also send you a shower head kit and install accessories for your convenient showering LED Screen & KnobsWe adopt an LED screen to display realtime water temperature Gas control knob rotate it clockwise to increase the gas supply Water control knob turn it clockwise to get more hot water Water temperature ranges from 50 F to 140 F