Delivering Superior Value.
Viewing size: 92mm x 42 mm
Power on/ off : fully automatic
Power supply: Solar cells + lithium batteries.
Sensitivity control : Hi / Medium / Low
Switching time : 1/25000 second
Recovery time : .2 /.5 /.8 seconds
Shade number : 4
Shade options: 9-13
Progressive special absorbing filter lens to protect you from visible and invisible UV & IR rays.