Cheap and Stable Green Laser Pen 520nm 50mW

This green laser pointer is small and cheap. It uses the best materials, internal protection, and circuit optimization. The maximum power is up to 50mW, and the output is very stable. The 520nm green laser beam is bright and long-distance, which can be used in astronomy. If you're looking for a stable green laser pointer, this is an affordable choice.

Technical Parameters
• Output power: 50mW
• 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℃ ~ +45℃
• Gross weight: 168 g
• Dimensions: 162 mm x 13 mm

Package Contents
• 1 x 520nm Green Laser Pen
• 2 x AAA Batteries
• 1 x Warranty Card
• 1 x Velvet Box