1. The electric contact power indicator use digital chips, it has over-current and short circuit protect function.
2. Digital display, can see the voltage clearly.
3. Sound indicator, can make you focus on the test and don't need to find an indicating light.
4. Thickening aluminum box, better for heat exchange.
5. Small size, easy to carry.
Input: AC 180-250V
Output: 41-43V
Fuse: 220V 2A
Eason Wang