Specification:? Item: Welding helmet? Color: Red ? Material: Environmentally-friendly PA/PP ? View size: 93 X 43mm(3.66? X 1.69?) ? Filter dimensions: 110mm X 90mm X 9mm(4.33? X 3.54? X 0.35?) ? Stepless shift shade control DIN9 ~ 13? Variable optical response time: 1/10000s? Recovery time: 0.1s/0.8s? Power supply: Solar cell and lithium batteries? lithium batteries capacity: 60mAH? Arc number of sensors: 2? UV lever: DIN15 Features:? Solar power energy with lithium battery for saving power ? Fully Automatic Power On/Off? Lightweight and durable design ? Used for ARC, MIG/MAG, TIG & MMA weldingWhat you get:? Welding helmet*1pcThe role of the welding helmet:1. Eye protection: Double filter, avoid harmful radiation of ultraviolet and infrared rays generated by arc, and damage caused by welding strong light to prevent the occurrence of electro-optic ophthalmia.2. Facial protection: Effectively prevent splashes and harmful substances in the work from invading the face and reducing the incidence of skin burns.3. Respiratory protection: airflow guidance, effectively reducing the harmful gases and dust released by welding, causing damage to the body and preventing the occurrence of pneumoconiosis.Application:?Used for ARC, MIG/MAG, TIG & MMA welding; Recommended to automotive, construction, and food & beverage manufacturing, metal production and fabrication, military maintenance, repair and operation (MRO), mining, oil and gas, transportation, etc.