The tester diagnose and analy the mother board,CPU and VGA card.
This card is also called POST( Power on self test ) Card.
No need software.
Suit for the laptop and desktop which of POST code output to LPT, can access to USB or access to computer power 
4-digit display. "Star Code" is "0000"or"FFFF".Can test itself faults, fully compatible 286 to PIV motherboards, the code is nore exact, and reliable. no crash. Can check the code, the code won't pass when it appears, press switch once, then display a code and pause.
- 15-24V 90W AC/DC Adapter
- 2 Round-pin AC Power Cord
- 8 different sizes DC Connector Tip
*Plsease take note, make sure that the polarity of DC connector plug is connected correctly, select output voltage to suit to laptop before use.
*This model is a switching-mode power supply, operation at input AC voltage 95V to 265V and DC voltage of 12-19V/4.5A max, 20-24V/3.5A max, with many protection functions for notebook use.
Model: LP-90W
INPUT : 110-240V~ 50/60Hz, 1.3A Max.
OUTPUT: 12/15/16/18/19V 4.5A Max.
: 20-24V 3.5A Max.
Universal DC Connector tie-in size:
1. 4.3 x 6.0 mm (Pin)
2. 3.0 x 6.3 mm
3. 2.5 x 5.5 mm
4. 2.1 x 5.5 mm
5. 1.7 x 5.5 mm
6. 3.3 x 5.0 mm (Pin)
7. 1.7 x 4.8 mm
8. 1.7 x 4.0 mm
Package Contents:
- 12-24V 90W AC/DC Adapter
- 2 Round-pin AC Power Cord
- 8 different sizes DC Connector Tip
*Plsease take note, make sure that the polarity of DC connector plug is connected correctly, select output voltage to suit to laptop before use.
Allows Parallel DB25 compliant printer to connect to your laptop or desktop w/ PCMCIA Slot conveniently and easily.
Caution:
- Avoid direct eye exposure
Features & Specifications:
- Great for pointing objects from long distance
- Green light beam (more visible at night)
- Range in excess of 6,000 ft
- Power saving, compact and reliable
- Comes with batteries and a nice, solid gift box
- Powered by 1 x 3V CR2 Lithium battery (included)
- Length: 86 mm
- Power Outout <50mW
- Wavelength: 532nm
Caution:
- Avoid direct eye exposure