Feature: 1. Function: The battery tester is used to test the remaining power of the coin cell battery, compatible with most standard coin cell batteries. 2. High Efficiency: Built-in battery compartment drawer holds at least two coin cell batteries, enabling quick and efficient battery level detection. 3. Digital LCD Display: Equipped with an LCD screen to clearly display battery status for convenient monitoring. 4. Durable Material: Constructed from ABS plastic material, providing impact resistance and long-term durability. 5. Portable: Lightweight and compact design allows for easy carrying in pockets or bags for on-the-go use. Specification: Item Type: Button Cell Battery Checker Material: ABS Function: Measures the remaining charge of coin cell batteries Scope of Application: Compatible with most common button cell batteries Package List: 1 x Button Cell Battery Checker 1 x Box