635nm 638nm Focusable Waterproof Orange Red Laser Pointer

Specification:                                                                             .

Wavelength: 638nm

Output power :300mW
Safety level: Classb

Laser Shape: Dot
Beam pattern: Continuous line Shape
Spot size: 18mm at 10M
Focusable: Yes
Waterproof: Yes
Working Current: <500mha
Operating voltage:  3.7V
Start voltage: 2.5V
Electric Control: ACC
Warm-up time: None
Operating temperature: -10 degree~ +30 degree
Storage temperature: -10 degree~ +40degree
Power supply: 1 x 18650 Lithium Battery
Dimensions: 25.5 * 142mm
Color:Olive drab                                                                     

 Type:638T-300-F-W-XL

Knowledge Tip:

The visibility of 638nm orange red laser is much stronger than 658nm Red laser at the same power, because every 5nm lower the laser is, the visibility is increased by 25%, which means 638nm laser's visibility is increased by 100% compared with 658nm laser. Stronger visibility means the higher brightness;

Package:

1 x 638T-300-F-W-XL 638nm Focusable Waterproof Orange Red Laser Pointer (Battery and Charger not included for easy custom clearance)