1.55V 3V Plastic Watch Button Battery Power Tester Checker

1.55V 3V Plastic Watch Button Battery Power Tester Checker Specification: This product can check button cell battery's power. Color:Green Material: Plastic Size:9.9 X5.4 x2.8cm Three Different Zone : 1.When the indicator is on red zone, the battery is low power station and must be replaced. 2.When the indicator is on yellow zone, the battery is current. 3.When the indicator is on green zone, the baterry is full. The battery checker is only for Button Cell. Package include: 1 x Battery checker Note: The picture is only for reference,please consider carefully before purchase.