Solar Powered Automatic Darkening Welding Helmet

General Description: This solar-powered auto-darkening welding mask lens filter is a high-quality accessory designed to provide optimal protection during welding work. Thanks to its solar charging function and fully automatic on/off system, it is both convenient and efficient. Made of impact-resistant PP, it ensures simple and safe use. Technical Specifications Material: PP + LCD Color: Black Light State: DIN 4 Dark State: DIN 9 to DIN 13 (external adjustment) UV/IR Protection: 15 levels Switching Time (light to dark): 1/10000s (normal temperature) Delay Time (dark to light): 0.2s adjustable Support: Grinding / Welding Power Supply: Solar cells and lithium battery (replaceable) Battery: 1 * CR2032 3V 320mAh lithium battery (included) On/Off: Fully automatic Sensitivity: Adjustable (low / high) Arc Sensor: 2 pieces Eye Protection: EN379 1/2/1 Face Protection: EN175 UV Transmission: 313nm≤0.00006% 365nm≤0.00006% IR Transmittance: 780 ～ 1300nm≤0.003% 1300–2000nm ≤ 0.009% Operating Temperature: -5 to 55℃ (23 to 131℉) Storage Temperature: -20 to 70℃ (-4 to 158℉) Active Viewing Area: 92 * 42mm Filter Cassette Size: 110 * 90 * 9mm / 4.33 * 3.54 * 0.35in Filter Cassette Weight: 107g Package Size: 11.5 * 9.1 * 3.5cm / 4.53 * 3.58 * 1.38in Package Weight: 107g Compatibility and Accessories: Suitable for most welding helmet viewing windows. Installation: Easy to install in the welding helmet. Ideal for MIG, TIG, argon arc, arc welding, and gas welding. Activates automatically during welding. Includes a TEST button to check lens operation.