4mw Green Light Laser Pointer Pen 4 Patterns Adjustable Focal Length with 4Lens
MVR 195.00
Item Condition New
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Description

Extremely bright green laser at 532+/-10nm wavelength
Max Output Power: 4mw
1.1 mm beam diameter at source
Momentary push button switch
Solid, heavy duty construction
Constant wave output (as opposed to pulse output)
Takes 2 "AAA" batteries (not included)
Can be used for sky pointing, astronomy, projection on low clouds, signaling