• The laser pointer is much more noticeable than other light colors.
• Produce clearly visible red beam in the dark.
• Best suitable kit for astronomers， professors， teachers， doctors， student presentations and etc.
• Range in darkness: more than 3000 meters
• Output type: Constant Wave
• Wavelength: 532nm
• Output power: 5mW (Class IIIB)
• Laser color: red
• Operated by two AAA batteries (included)
• Body material: brass

 
Package Details Weight: 186.18 g
Size: 17.5*6.5*2.5 cm
Package Includes 1 × Red Laser Pointer Pen
2 × AAA battery