Durable and Long-Range 520nm Green Laser Pen for Astronomy

This laser pen is cheap and durable. It uses a standard 520nm wavelength, the best materials, and a reliable internal structure. The output power is up to 100mW, ideal for astronomical applications. This model has passed quality testing, power testing, and FDA&CE certifications. If you are looking for a long-range green laser pen for astronomy, it is an affordable choice.

Technical Parameters
• Output power: 100mW
• Wavelength: 520nm (green)
• Beam divergence: < 2.0mRad
• Useful life: > 8000 hours
• Focus mode: fixed focus
• Transverse mode: near TEM00
• Laser class: class 3B
• Internal protections: circuit protection, over-temperature protection
• Power supply: 2 x AAA batteries
• Operating voltage: DC=3.0V
• Operating temperature: -10℃ ~ +50℃
• Gross weight: 169 g
• Dimensions: 162 mm x 13 mm

Packing List
• 1 x 100mW Green Laser Pen
• 2 x AAA Batteries
• 1 x Warranty Card
• 1 x Velvet Box