- 100% new and high quality
- Material: Plastic
- Large size LCD Screen
- Size: 153 x70 x28mm
- Weight: 90g
- Voltage:4.5V
- Power by: USB power cable or 3 x AAA batteries (not included)
- Set A: 2-Way Electrode Pad Version, Set B: 4-Way Electrode Pad Version for choice
- We suggest don’t use batteries and USB power cables at the same time.