1. Flame Adjustment Knob: The kerosene heater has a rotary adjustment valve to let you adjust the flame according to your needs. The heating table on can also be used as a work surface for cooking. The outer layer has a protective mesh to effectively prevent burns.2. EnergySaving Protective Design: This portable heating stove uses kerosene for heating without the need for electricity. There's no need to worry about power outages during heavy rain. It operates silently, saves energy, is smokeless, clean, and ecofriendly. It is equipped with automatic tiltangle shutoff (tipover protection), flame failure protection, and hypoxia prevention for safer use.3. Efficiency Heating: The kerosene heater has a combustion efficiency of 99.8%, with a fuel consumption of 0.240.28 liters per hour and an extended heating time of 1621 hours. It provides up to 9,000 BTU (3,000W) of heating power, suitable for spaces of 1520. Tank capacity: 4.5 liters.4. Optional Grill/Glass Chimney: Two chimney types are available. The grill chimney ensures more complete combustion and faster heat conduction. The glass chimney suppresses and reduces smokeinduced incomplete combustion, prevents spills, and meets diverse usage needs for applicable scenarios.