Durable High Power 250mW 532nm Green Laser Pointer for Astronomy

To meet the needs of astronomy customers, we have developed this durable laser pointer. The green laser has long-distance and high stability. It can work continuously for more than two minutes. We adopt cooling systems and circuit protection to ensure safety and durability. All essential functions are available: adjustable focus, stay-on switch, and PCB protection. If you are looking for a high-power 532nm green laser for astronomy, this is an affordable and reliable choice.

The complete accessories include the battery, charger, five pattern caps, and storage box.

Specifications
• Output power: 250mW
• Wavelength: 532nm (green)
• Diode's useful life: 8000 hours
• Laser divergence: < 1.50mRad
• Housing material: aviation aluminum
• Surface treatment: anti-slip rubber paint
• Focus mode: adjustable
• Electronic protections: cooling system, PCB protection, reverse polarity protection circuit
• Switch: stay-on button switch
• Laser class: class 3B
• Power supply: 1 x 18650 battery
• Operating voltage: DC 3.7V
• Operating temperature: 0°C - 50°C
• Dimensions: ￠30 x 210 mm
• Gross weight: 556 g