New, quality is very OK, ultra-small size , high-pressure common 5V notebook section. The input voltage 5V to 11V can be used (supply voltage 12V to suggest that you buy high-voltage 12V-20V laptop section), specification: กว้าง 1CM ยาว 8.8CM.
Four interface definition:
1, UIN [ 5V] ( near the fuse the other end)
2, ON (signal)
3, ADJ (adjust brightness)
4, GND (ground)