Solar battery outside control big view auto

is_customized: Yes View Area: 92.5*42.5mm Sensitivity: 1/300000S Cartridge Size: 18mm*15mm*22mm Brand Name: Tina Solar Powered: Yes Auto-Darkening: Yes Helmet Material: PP Power Supply: sun batteries required+Li battery Switch Time: 1/10000s Model Number: -8-1 Place of Origin: Zhejiang, China (Mainland)