Dell Inspiron 1427 (Early 2009) - Manual (Page 46)

Specifications
44
Camera (optional)
Pixel 2. 0 megapixel
Video resolution 320Ч240
~ 1280Ч1024
(640Ч480 at 30 fps)
Diagonal viewing angle 66°
Touch pad
X/Y position resolution 240cpi
(graphics table mode)
Size:
Width
79. 7 mm (3. 13 in. )
sensor-active area
Height 47. 7 mm (1. 87 in. )
rectangle
Battery
Type 6-cell lithium ion
Depth 58. 23mm (2. 30 in. )
Height 21. 5 mm (0. 8 in. )
Width 140. 6 mm (5. 54 in. )
Weight 414 g (6-cell)
Voltage 19 VDC
Charge time (approximate):
Powered off
Battery charging time
varies depending on
whether the computer is
turned on and the number
of programs that are
running;
3. 5~12 hours (6-cell)