1. Over-voltage protection safety devices; the gas would automatically cut-off when cartridge’ pressure is too high. 2. The cartridge loads mutual lock safety device; the cartridge unable to install, if the switch has not turned off. 3. Avoid cylinder mismatch device.Portable Gas BBQ is an ideal product of camping cooking and home use: 1. Automatic electronic piezo ignition. 2. Pure blue flame, do not pollute cooker and the indoor environment. 3. Firepower freely adjusts, and persist stabilization. 4. The furnace body craft delicacy, smooth and easy to clean. 5. Furnace body is portable and good stability. 6. Aluminum-alloy cooking plate with non-stick surface    Packing   Product Size: 460x330x92mm Gift Box Size: 475x340x110mm Carton Size: 610x490x350mm Net Weight/Gross Weight: 10kgs/10.75kgs per carton Qty: 5pcs/carton, 1425pcs/20GP, 3080pcs/40GP, 3390pcs/40HQ