mask:

Viewing size:     98x43mm

Response time:   0.1ms

Shade No.:       4/9-13

UV transmitance: 0.0001%(210-365mm)

IR transmitance:   0.01%(780-2000mm)

Power:              Solar cell with CR2032(changeable)

Working Temp:   -5C to +55C

Weight:             430g

Switch:                No(full auto)