Description

2000mw  3000mw 445nm laser engraving tube Laser Module neje DK-8-KZ for NEJE engraving mini CNC machine DIY 3d printer parts Detailed parameters: Wavelength: 445nm (blue light) Power: 1500-3000mw (pulse power) actual power is about 60% of pulse power Drive board: with adjustable constant current Current: above 2A Voltage: DC 3.7v-5v Flares: focusing Size: 12 * 45mm Precautions for use are as follows: The power of laser module is relatively high, do not irradiate people or inflammable articles, or you will be responsible for the consequences Adjust the focal length within 1.5m, and light the match almost at the same time as turning on the power switch Do not work for a long time to avoid head temperature damage The laser module must be equipped with a qualified heat dissipation system to avoid overheating This article is an indispensable accessory for the DIY engraving machine. It is a professional laser head with high speed and high stability. Packing list: 1 * laser tube