This item use high-pressure injection technology. Its design is easy to hold and feature a lock for safe usage.
[How to refill]
1. Put up side down the torch and make the gas input valve up.
2. To aim at the refilling part into the valve and press it for some seconds.
3. Away form the fire when refilling.
4. No ignition allowed during the refilling.
This product has the function of auto-refilling.So the gas will be leak out when it is in the safe quantity, or the gas will spill out.Please stop refilling or the lighter can not be used well and even cause danger.