1pcs Waterproof 450nm Focusable Blue Laser Module 450T-5000-18650
Focusable Waterproof 450nm Blue Laser Module 450T-5000-F-W. 1pc Waterproof Focusable 450nm Blue Laser Module 450T-5000(Battery not included for easy custom clearance). The design adopts simple and fashionable style.