Description Name – Solar Power Auto-darkening Welding Helmet GS4008 Model – GS-4008 Substantial View Size – 91*41mm Bright model – DIN4 Dark model – DIN9-13 Conversion Time – 0.1ms Time expand – 0.3s-0.7s Power Supply – Lithium Battery&Solar Powered Ambient Temperature – -5℃ – 55℃ Sensitivity – Suitable for Minimum Invert DC 5A









