Solar auto darkening filter welding mask helmet

is_customized: Yes View Area: 92.5MM*42.5MM Sensitivity: stepless control Cartridge Size: 110mm*90mm*9mm Brand Name: VIP Solar Powered: Yes Auto-Darkening: Yes Helmet Material: PP Power Supply: Li battery/solar powered Switch Time: 1/10000 Model Number: VIP-500 CE: APPROVED Place of Origin: Zhejiang, China (Mainland)