Description: This switch tester has decompressed keychain function, which is easy and convenient for you to carry along. With RGB lighting effect and ergnomic design, the switch tester provides a more accurate test environment and truer feel. It is constructed of PBT material. The length of this product is 2cm, the width is 1cm and the height is 1cm. This switch tester is suitable for mechanical keyboard. Item Name: Switch Tester Material: PBT Battery: 1 x 2032 Button Battery (Included) Features: Ergonomic, Stress Relief, RGB Lighting Effect Size Details: 2cm x 1cm x 1cm/0.79" x 0.39" x 0.39"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Switch Tester