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. 3. For button battery checker: place the battery on the battery checker plate to check, make sure the positive (+) terminal is facing down. 4. Simply place the watch on the quartz pulse detector to detect it. 5. The quartz watch detector is compact, easy to operate, and wear-, and has a long service life. 2X AAA batteries not included Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Color: As shown Material: plastic Package Contents: 1 x Quartz Movement Watch Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.