- Solar powered with a Li-ion rechargeable backup battery
- Large 1-1/3" X 3-1/2"(34 X 88mm) viewing area
- 0.5 millisecond switch time from a DIN #3 light state to a DIN #11 dark state with a 0.2 second light delay
- 2 Independent sensors as a precaution against failure
- UV and IR protection
- For gas welding only