Description: Viewing rea:98*44mm(3.86"*1.73") Size of Cartridge:110*90*8mm(4.33"*3.54"*0.315") UV/IR Protection:UP To Shade DIN 15 Light State:Shade DIN4 Variable Shade:Frm DIN(8)9-13(14) Stepless Adjustment Power Suppy:Solar cells,No battery chang required Power on/off:Fully Automatic Switching Time:a)Light to Dark:1/10000S b)Dark to Light:0.2-0.35S Operating Temperature:-5 to+60 Scoring Temperature:-20 to+70