1000mW Blue Laser Pointer Pen : 1. Waterproof function 2. adjust focus 3. longer working time Manufacturer Specifications:Output Type: Adjust focus, continuous output and working time is longer than ordinary laser pen Output Wavelength: 447nm Output Power: 1000mW Power: 1 x 18650battery Features: Waterproof Waterproof: 25 metersSize: 25.5 x 140mm/1.0 x 5.5in (Dia. x L)Point Shape: CircleSpot ...
