Feature:1. Streamlined Design: Effectively block the smoke and dust, and cleverly avoid the fogging of the lens due to exhalation and hinder the operation.2. Automatic Darkening : The LCD screen is equipped with two highly sensitive light detectors, which will darken quickly when encountering an electric arc.3. High Quality Materials: High quality PA, PP and sponge materials, flame retardant, anti drop, high and low temperature resistant, corrosion resistant.4. Flexible Adjustment: Flexible adjustment of front, rear and size, and the forehead uses a high density sweat absorbent sponge, which is more comfortable to wear.5. Insulate Ultraviolet and Infrared Rays: Advanced photoelectric technology, power driven liquid crystal shading and color changing grade filter effectively isolates ultraviolet and infrared radiation.6. Adjustable Sensitivity: The sensitivity and response time of the LCD screen can be adjusted according to actual needs.7. Great Convenience: When not working for a long time, you can turn the welding helmet up to the top of your head to facilitate your next work.Specification:Item Type: Welding HelmetMaterial: PA, PP, spongeProtection Function: Anti glares, anti impact, anti splashed, anti ultraviolet, anti infraredBright State Color Number Grade: DIN4-5Dark State Color Number Grade: DIN9-13Dark State Adjustment Method: External stepless adjustableDimming Response Time: 1/15000s 1/30000sSensitivity Control Adjustment: Internal stepless adjustableRecovery Time (Internal Stepless Adjustable): 0.15 0.8sPower Supply: Lithium battery + solarPower Switch: Automatic chargingWelding Arc Sensor: 2Ultraviolet/Infrared Protection Class: DIN16/UP TO SHADE DIN 16Working Temperature: 15-65Structure: Head mounted structureService Life: 1-2 yearsBattery Type: 1 x lithium battery 300mAh (built in).Package List:1 x Helmet1 x HeadgearNote:1. It is forbidden to subject the tool to mechanical shock.2. If the battery leaks, do not directly contact the skin or eyes with the leaked liquid. If contact occurs, rinse the contacted area with plenty of water and go to a doctor in time.