Main Features
• Novelty appearance design, super light and durable shell
• In the process of welding, the object has high definition and can observe the solder joints very clearly so as to ensure the welding quality
• Advanced double filter technology, uniform light transmission, clear image, avoiding harmful radiation from UV / IR or strong light damage to glass
• When not photosensitive, light shield number is three, providing adequate light for ready work and accurate polishing

Specification
• Light shade: DIN4
• Dark shade: DIN - 13 adjustable outside
• Lens size: 93 x 43 x 6mm
• Cartridge size: 110 x 90mm
• Response time: less than 1/25000s ( from bright to dark )
• Release time: 0.155 - 0.80s adjustable ( from dark to bright )
• Switching time: 1/10000s
• Sensitivity: low / high ( welding time according to magnitude of current )
• Power supply: rechargeable Li-ion / solar battery ( included )
• UVT transmission: 313nm ( 0.003 percent and less ) 365nm ( 0.009 percent and less )
• UV protection: class 15
• Infra red transmission: 780 - 1300nm ( 0.003 percent and less ) 1300 - 2000nm ( 0.009 percent and less )
• Work temperature: -5 - 55 Deg.C ( 23 - 131 Deg.F )
• Store temperature: -20 - 70 Deg.C ( -4 - 158 Deg.F )
• Application range: electric, argon arc, gas welding, soldering and all except laser welding