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Table 15. Camera specifications (continued)
Description
Sensor type
Resolution:
Still image
Video
Diagonal viewing angle
Touchpad
Table 16. Touchpad specifications
Description
Resolution:
Horizontal
Vertical
Dimensions:
Horizontal
Vertical
Touchpad gestures
For more information about touchpad gestures for Windows, see the Microsoft knowledge base article
support.microsoft.com.
Power adapter
Table 17. Power adapter specifications
Description
Type
Diameter (connector)
Input voltage
Input frequency
Input current (maximum)
Output current (continuous)
Rated output voltage
Temperature range:
16
Specifications of Inspiron 3781
Values
3215
2429
105 mm (4.13 in.)
80 mm (3.15 in.)
E4 45 W
4.5 mm x 2.9 mm
100 VAC–240 VAC
50 Hz–60 Hz
1.30 A
2.31 A
19.50 VDC
Values
CMOS sensor technology
0.92 megapixel
1280 x 720 (HD) at 30 fps
78.6 degrees
4027871
Values
E4 65 W
4.5 mm x 2.9 mm
100 VAC–240 VAC
50 Hz–60 Hz
1.60 A/1.70 A
3.34 A
19.50 VDC
at
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