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