ATOMSTACK A5 20W DIY Fixed Focus Laser Engraver Machine
Laser power: 20W Laser output power: 4..5W-5W Wave Length: 445 +- 5nm Engraving accuracy: 0..01mm Focusing method: fixed focus laser, no need to focus Laser protective cover: Protect the user’s eyes and prevent pets from grabbing the laser spot.. Operating software: LaserGRBL, LightBurn, Support system: support Win XP / Win 7 / Win 8 / XP / Win ..