Delivery time is approximately 5 to 14 working days. The Electrolysis Water Machine Hydrogen Oxygen Generator Oxy-Hydrogen Flame is a commercial manufacture product from Mainland China, made of stainless steel with a size of 20*30*35cm and a total weight of 6-8kg. This machine can generate hydrogen and oxygen through electrolysis, with a power of 200-300W and a voltage range of 220v to 12v. It comes with a power cord and a spray gun for easy use, making it a customizable solution for various applications. The model number for this generator is KTM.