Auto darkening welding helmet Filter size: 110 x 90 x9mm Viewing window size: 91x 40mm Working temperature: -5f¦~+55f¦ Light shade: din3 Dark shade option: din9-din13 Shade knob: out Switching time: 1/10, 000s Recovery time: 0.6s Eye protection: en379 Uv/ir protection: en169 Face protection: en175 Power source: solar cell+lithium cells Auto power on/off: full automatic Net weight: 420g Extra functions: small current less 20a welding Color option : red, blue, black, sliver, orange Size (mm):777*477*350 weight: 6kg dimensions:2
