General description Simple and portable structure, very safe and comfortable to wear. The auto-darkening eyes mask is designed to protect the eyes from sparks and spatter, effectively blocking ultraviolet, infrared, and visible light while reducing harmful radiation under normal welding conditions. It is suitable for electric welding protection, anti-glare, face protection, and grinding operations. Technical specifications Shade control: Light states: DIN3 Dark states: DIN11 Dark state Shade No: DIN9-DIN13 (stepless adjustment) Switching time: Light to Dark: 1/25000s (working at room temperature) Delay time: Dark to Light: 0.20-0.35s Power supply: Solar cells (no battery change required) Power ON/OFF: Fully automatic Operating temperature: -10℃ to +55℃ Material: PP Measurement allowed error: +/- 1-3cm Other information Package Contents: 1 x welding eye mask Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real