Watch Repair Tools Button Battery Measuring Instrument Battery Check Meter

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.