specification:
1. Auto shift the voltage data one unit by one unit
2. Protect reverse connection
3. Little current consume
4. Battery cell :1-6s Lipo/Li-ion/LiMn/Li-Fe battery
5. Test accuracy :± 0.005v
6. Input voltage:0.01V - 4.50V Per cell
7. Display :led
8. Test voltage range:2.8v-25.2v
9. Weight:5g
10. Dimension:25mm x 24mm x 11mm