1. Gadget to test watch battery capacity in real time, designed for the most common watch button batteries
2. Light weight and easy to carry
3. Dimensions: About 98 x 55 x 27mm
4. Material: Plastic
5. Color: Green
6. Operation manual:
- When the indicator light is on the red area, it means the battery is low and must be replaced.
- When the indicator light is on the yellow area, it means that the battery is powered on.
- When the indicator is on the green area, it means the battery is full.