TEN-HIGH AC110V glass laser tube 40W CO2 700mm length, 50mm Dia for laser engraving and cutting machine Power: 40 Watt, Length: 700mm, Diameter: 50mm. This CO2 Laser Tube has an inlet and outlet for water cooling and wire connections for the anode and cathode sides of the tube. For ease of installation, the high voltage port and low voltage port have been connected in advance. Professional water cooling and hermetic CO2 glass laser tube, mainly used for laser engraving machine, laser marking machine, laser engraving machine, laser cutting machine, is Replacement parts for laser machine, and can be carved and cut acrylic, cloth, leather, bamboo, wood, engraving, etc. It is excellent in laser spot mode, has strong laser energy, and a long service life. Each tube is tested for quality before it is sent out, with a voltage test performed and a read-out of performance at different wattages. It is important to note that while you may achieve higher performance at higher wattage, it can also shorten the life of the tube. Laser tubes are consumable products much like light bulbs are. They have a rated life span. The 40W tube's lifespan is rated at 1500H-2500H(under normal use). The laser tube after generally work 3-4 hours should to pause for about 30 minutes, This laser tube should be used and placed under the normal room temperature in the cold weather (To prevent the cooling water frozen as the weather getting colder). Please make sure your machine has enough installation space, like the diameter and length, all should be a little bigger than laser tube's size. High quality laser beam. Precise digital control in the process of production. Unique glass metal sealing technology. Here is a video for you to guide the installation: https://youtu.be/mbwYveQZPZ8. Please follow the steps to do the installation in serious.