Features: With acrylic base material, keycaps are blank.The switch can be removed and interchanged from the acrylic base. This Cherry MX switch tester shares you exactly the same press feeling on a Cherry MX switch mechanical keyboard. Like owning 9 mechanical keyboards, 9 different switches will help you to tell what your favorite type is. Mounted on a crystal transparent acrylic model, equipped with 9 ABS translucent clear keycaps, this switch tester lets you easily know the color of every for key. Specifications: Color: transparent Material: Acrylic Quantity: 9 Size:61.3x61.3x9.7mm/2.41x2.41x0.38in Note: Without retail package. The switch doesn'for t have the led, you need to install the led by yourself if you want to diy a keyboard. Package includes: 1 x Kaihua Box 9 Switch Tester