... ),CE approved 2),View area 90x45mm, 3),Power:Solar cell with 2 AAA Batteries Specification:1),Filter size: 110 x 90mm2 ... 7),Recovery time: 0.6s 8),Power source: Solar cell with 2 AAA batteries9),Sensitivity adjustable10),Replaceable Inner and Outer protective ... : -5degree~+55degree14),1 year guarantee15),CE approved16),The filter is assembled with Welding Helmet C1190S