Super SL6300-UV Adjustable-light beam UV LED Flashlight  -
(Abbreviation The Viper SL6300S ) - Zoom In/Out by adjusting the front head:
The light beam is ¾” to 4” (20 to 100mm), you can adjust the focal length

 SPECIFICATIONS:

 Peak-Wavelength: 365-370nM;

 UV Intensity:  1000-35000uW/cm2 at 15inch (380mm)
 Low visible light emission: Less than 2 foot-candles (22 lux)

 Number of UV LEDs: 1 x 5W 365NM UV LED with lens, average LED life is 30,000 hours

 Power supply: 3.7V 2200 Mah  18650  Lithium Battery;

 Operating Time: 2.5 hours (continuous)

 Irradiated  Area in 38cm Distance:  Ø 1.25” to 4”  (30-100mm).

 Stability of UV Intensity: > 85%

 Product Size: 6” x 1.75” (150 x 44mm)

Weight: 5.65 ounce (160g) without accessories