Solar-powered, self-darkening welding helmet

General Description This solar-powered, self-darkening welding helmet lens filter is a high-quality welding lens with solar charging and a fully automatic on/off function for convenient and efficient use. Made of impact-resistant PP material, this product is easy and safe to use. Technical Data Material: PP + LCD Color: Black Brightness: DIN 4 Darkness: DIN 9 to DIN 13 (internally adjustable) UV/IR Protection: DIN 15 levels Switching time (light to dark): 1/10000 s (at normal temperature) Delay time (dark to light): adjustable from 0.10 s to 0.80 s Power supply: Solar cells and lithium batteries Battery: 2 x CR2450 3V 650mAh lithium batteries (included) On/Off: Fully automatic Sensitivity: Adjustable (Low/High) Arc sensor: 2 pieces UV transmission: 313 nm ≤ 0.00006%, 365 nm ≤ 0.00006% IR transmission: 780–1300 nm ≤ 0.003%, 1300–2000 nm ≤ 0.009% Operating temperature: -10℃–65℃ (14℉–149℉) Storage temperature: -20℃–70℃ (-4℉–158℉) Active display area: 92.5 * 42.5 mm Solar battery area: 93 * 17 mm Filter housing size: 110*90*9 mm / 4.33*3.54*0.35 in Filter cartridge weight: 86 Package size: 11.5 × 9.1 × 1 cm / 4.53 × 3.58 × 0.39 in. Package weight: 89 g / 3.13 oz. Compatibility & Accessories: Fits the viewing window of most standard welding helmets. Installation: Easy installation in most welding helmets. Application: Ideal for MIG, TIG, arc, and other welding applications. Further Information: Highly transparent filter with a high-quality LCD screen and multi-layered optical interference filter.