1) Auto darkening helmet filter

2) Model: FS-B6-4/9-13

3) Material: ABS

Frame Size                            110×90×9 mm                                                                   

Viewing Area                              96×46 mm                  

Range of UV/IR protection  up to shade DIN 14 at all time                                                     

Light Shade                                          DIN 4                   

Dark Shade                                 from DIN9 to DIN 13

Switching Time(light to dark)                       1/20,000s                    

Switching Time(dark to light)              0.2-1s potentiometer adjust                             

Power Supply                     Solar cell and two 3V lithium batteries 

Operating Temperature                              +10~60                 

Storage Temperature                                -10~70