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.
