1.Configuration ADF Model: EF10194. 2.Viewing area: 10194mm,1/1/1/1,True Color, Ultra-HD Quality. 3.UV/IR protection: DIN16 4.Light shade: DIN 3.5(main welding filter) DIN2.5(side welding filter). 5.Dark shade:DIN5-9,9-13,External adjustment. DIN11(side welding filter) 6.Power supply: Solar cell and CR2450 lithium batteries(Replaceable) 7.Switching Time (light to dark): 1/30,000S 8.Delay Time(dark to light):0.1-1s Stepless adjustment. Twilight Function 9.Arc sensor:4 10.Sensitivity:Low to high,Stepless adjustment. 11.Power on/off : automatic. 12.ADF Frame Size:133X114X9 mm. 13. 3 LCD screens work independently and 3 LCD screens work synchronously. 14.Warranty: 2 year limited. 15.Mode: Weld/Grind,External adjustment 16.Low Battery Alarm 17.ADF Self-check 18.Low Amps TIG Rated: AC/DC TIG:2 amps 19.Operating Temp: -10--+55 20.Storage Temp:-20C ~+ 70C