Features:
- High-definition digital display screen displays real-time current and voltage
- 99.9% of smartwatches adapted to the market
- One-click activation, low battery state, and watch batteries that have not been used for a long time
- Small in size, as big as one hand, not taking up desktop space, easy to carry, versatile for small items
- Type-C interface, stable input for safe use
- Small and refined, excellent workmanship, more accurate numerical values
- 1 x Activation Board
