Nightwatch Incredible NS73V2 3x SFN55.3 LED 17500lm Flashlight

Review by Gabriel：Nightwatch NS73V1

Specification:
Brand:NIGHTWATCH 
Model: NS73V2 
LED:  3x SFN55.3        
Max output: 17,500lm 
Battery:  unprotected 21700 (NS73V1 need to use the battery current 40A)
Lens:         Glass with anti-reflective coating
Body:        Aluminum with Type III hard-coat anodizing
Swtich:  Tail switch
Weight:      187g without cells
Dimensions:    41mm head x133mm length
Function: 1. Reverse polarity protection
                 2.Temperature control, 52°C will step down 
                 3.low voltage warn
Modes: M-L1-L2-M-H,double clicks turbo 
      triple clickes strobe