Product Description·Size (approximately): 69*40*9mm·Material: zinc alloy·Weight: about 68g·Ignition mechanism: electronic ignition·Lighter type: gas windproof lighter·Color: black, red, blue, yellowHow to refill gas1. When filling gas, make sure there are no visible flames or ignition objects, and keep the surrounding air flowing.2. Drain any remaining fuel before refilling.3. Turn the lighter upside down; turn the flame to the lowest setting before filling.4. Please choose long nozzle butane. Insert the nozzle into the inflation valve and push the air tank down (hold for about 3-5 seconds each time). The filling time can be increased or decreased according to the actual capacity of the tank.5. After inflation is completed, wait at least 3-5 minutes before using the lighter. (The gas inside needs time to stabilize) After injecting butane gas, if the lighter cannot ignite, please turn the flame regulator to " ".