MD-2G: 2 pins
 MD-4G: 4 pins
* large LCD display
* quick response
* low battery display
* with DATA-HOLD button

Specifications:
Range: 5% ~ 40%
Resolution: 1%
Accuracy: +/- 1 %
Power: 9V (6F22) X 1
Case Color: Dark gray
Dimension: 70 x 126 x 29mm
Weight: Approx. 150g (including battery)
Packing: Gift Box with Nylon Carrying Case Inside