Descriptions: Wave length: 450NM Working temperature: +10 +40 Power : 5.5W Electric current: 3-5A Voltage: DC 12V Driver module: TTL Laser focus: adjustable Laser power: adjustable Size:333390mm Connect with 3 pin laser port control board Package include: 1laser tube 1goggles 1power supply 13 pin connection wire Can be used for carving/engraving and cutting. Can cut wood Can't engrave transparent Material Attention please!