TECHNICAL SPECIFICATIONSND200:
1. Frame: 110X90X9mm(4.33"X3.54"X0.35")
2. Viewing Area: 94X41mm(3.70"X1.62")
3. UV/IR Protection: Up to shade DIN 16 at all time
4. Light State: Shade DIN 3
5. Variable Shade: From DIN 7 to DIN 11
6. Power Supply: Solar cells, two lithium batteries
7. Power On /Off: Fully automatic
8. Switching Time
a).Light to Dark: 1/20000s at room temperature
b).Dark to Light: 0.25~0.45s
9. Sensitivity: High
10. Operating Temperature: - 5?C + 55?C
11. Storing Temperature: -20?C + 70?C
12. Weight: 95G
