Fingerprint Reader (Optional); Sensor - Dell Precision 3581 Technical Manualbook

Table 20. Display specifications (continued)
Description
Color depth
Color
Pixels Per Inch (PPI)
Contrast ratio (typical)
Response time (max)
Refresh rate
Horizontal view angle
Vertical view angle
Pixel pitch
Power consumption
(maximum)
Anti-glare vs glossy finish

Fingerprint reader (optional)

The following table lists the specifications of the optional fingerprint-reader of your Precision 3581.
Table 21. Fingerprint reader specifications
Description
Fingerprint-reader sensor technology
Fingerprint-reader sensor resolution
Fingerprint-reader sensor pixel size

Sensor

The following table lists the sensor of your Precision 3581.
Table 22. Sensor
Sensor support
Ambient Light Sensor
Accelerometer in the base: ST Micro LIS2DW12TR
Accelerometer in the hinge-up (Upsell config with Emza/ALS/IR camera): ST Micro LNG2DMTR
22 Specifications of Precision 3581
Option one
6-bit
262,144 colors
141
700:1
35 ms
60 Hz
+/- 80 degrees
+/- 80 degrees
0.179 x 0.179 mm
4.6 W
Anti-glare
Option two
6-bit
262,144 colors
141
700:1
35 ms
60 Hz
+/- 80 degrees
+/- 80 degrees
0.179 x 0.179 mm
4.6 W
Anti-glare
Values
Capacitive
500 dpi
108 x 88
Option three
True 8-bit
16,777,216 colors
141
800:1
35 ms
60 Hz
+/- 80 degrees
+/- 80 degrees
0.179 x 0.179 mm
4.5 W
Anti-glare