Eccotemp L7 Portable Tankless Water Heater Lightweight, easy to carry, and compact, making it great for camping and off-grid use. Runs on Liquid Propane with an electronic ignition powered by 2 D cell batteries. Equipped with an upgraded chrome shower head and stainless steel hose. Water pressure start up is a PSI of (20) and is easy to connect to a standard garden hose. Rated at 1.7 GPM of hot water output. With an achievable temperature range of 50  140 degrees F.