Filter Size: 110*90*10mm
View Area: 90*32mm
Light State: DIN4
Dark State: DIN9-13
Switch Time: 0.2ms
Delay Time: 0.5s
Sensitivity Control: Fixed
Power Supply: Solar power&Li battery
Grinding Function: Yes
Sensor Quantity: 2pcs
Power Switch: Fully Automatic
UV/IR Protection: DIN16
Operating Temp.: (-10°C ~ + 55°C)
Storage Temp.: (-20°C ~ + 70°C)
Helmet Materials: PP
Warranty: 2years