Four safety protection devices make customers use more safety: 1. Pressure sensitive safety system. 2. Avoid pot-stand inversion device. 3. Avoid cylinder mismatch device. 4. The cartridge loads mutual lock safety device; The cartridge unable to install, if the switch has not turned off. Portable gas stove is an ideal product of camping cooking and home use: 1. Electronic ignition. 2. Adjustable heat control. 3. Furnace body is portable and good stability. 4. The furnace body craft delicacy, smooth and easy to clean. 5. Ideal for camping, barbeques, picnics, fishing and much more. 6. Pure blue flame, do not pollute cooker and the indoor environment.