Feature: 1. Professional Watch and Button Battery Tester: This tester can analyze watch movements and test 1.5V, 3V button batteries, providing versatile functions to meet various battery testing needs. 2. Portable Tester for Watch and Button Batteries: This tester is designed for checking watch batteries and 1.5V, 3V button batteries, with a built in pulse tester that eliminates the need to open watch covers for testing. 3. Intuitive Battery Measurement: The tester visually displays battery status by pointing to a red or green area. Red indicates low battery power that needs to be replaced, while green signifies good battery status, allowing you to easily assess the battery condition. 4. Wide Application: This Quartz movement detector is not only suitable for testing watches but also for various electronic devices that use button batteries, serving as an indispensable battery testing tool in your daily life and work. 5. Premium Material: Button battery test analyzer is made of premium plastic and iron, with compact and exquisite appearance, sturdy and long lasting. This practical analyzer can help you test whether your quartz watch really needs a battery replacement. Specification: Item Type: Button Cell Battery Tester and Analyzer Material: Plastic, Iron Features: Measure battery and watch movement electronic component detection Size: Approx. 10x10cm / 3.94x3.94in Battery Type: Button Cell Battery Battery Model: CR2016 x2 (Built in battery included) Battery Capacity: 75mAh Battery Voltage: 3.0V. Package List: 1 x Watch Testing Analyzer