638nm Red Handheld Lasers for Diving
638nm Red Handheld Lasers for Diving

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638nm Red Handheld Lasers for Diving

Dimensions: 135.2*32mm
Shell material: aviation aluminum
Surface treatment: fine sand matte black
Output wavelength: 638nm
Output power: 100mW,300mW,700mW
Circuit Control: Constant Current Drive
Circuit efficiency: Conversion efficiency is over 93%
Spot form: point 
Beam pattern: continuous line
Spot size: about 5M <φ15-18mm
Focus mode: adjustable focus
Diving level: 5 meters diving
Working current: 3.7V @1.7A depending on power and wavelength
Working voltage: DC=3.7V
Starting voltage: DC=2.5V
Warm-up time: no
Working temperature: -10 ° C ~ +60 ° C
Storage temperature: -10 ° C ~ +40 ° C
Product net weight: 138g 
Power supply: 1X 18650

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