CAMPLUX Nano 3 Max Real-time power level and temperature display, applicable range 50-122 F. Overheat protection when over 122 F, ensuring your safety. Widely used in outdoor activities such as camping, car washing, fishing, pet cleaning and more High Capacity & Fast Charging Built-in 4000mAh rechargeable battery supports 100 minutes of long-lasting use. 1.5 hours to charge 80%, 3 hours to fully charge. Supports charging while using propane shower system Easy Assembly & Operation Portable propane water heater features a quick-connect design that allows you to set up in one step connection. Just press power button and turn on the pump to enjoy your camping shower Multi-Mode Shower Comes with 3 adjustable water spray modes and pet shower, rechargeable propane water heater can be used for bathing and pet washing.