Junterone Quartz Movement Watch Tester Watch andBattery Analyzer Tester Quartz Watch Movement Impulse Detector Watchmaker Repair Supply Tool

Features: 1. This is a dual-purpose checker for quartz watches and button batteries. 2. the button and the battery level indicator show the voltage. 4. Simply place the watch on the quartz pulse detector to detect it. 3. For button battery checker: place the battery on the battery checker plate to check, make sure the positive (+) terminal is facing down. 5. The quartz watch detector is compact, easy to operate, and wear-, and has a long service life.