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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
Length: 20cm
Power Supply：12V4A
40HQ: 740 cartons * 63 pcs = 46620 pcs
User-friendly button switch for easy and safe use
soft rubber breathable design
NEJE N40630 7.5W 450nm Laser Engraver Module Kits, N40630 Knife Sharpener Length: 20cm1. Designed for laser engraver, 3D printer, CNC mill, arduino project. 2. 7. 5W Optical power output, 4mm plywood from 1 pass(speed 100). 3. More Safety, Built in protective glass to protect eyes! Even without wearing protective glasses, the operation is more comfortable. 4. More Quiet, Intelligent drive adjust the cooling fan speed according to laser temperature. 5. Easy use, Digital PWM wave pulse signal generator adjustable frequency duty cycle