1、The environmental protection fireproof board is clean and tidy. High technology\true material\fine craft. 2、High-quality acrylic crystal shell, high-precision laser cutting, new structural design, reliable and beautiful. 3、Strong wear resistance, can effectively prevent stains and scratches. 4、Equipped with precision, perfect integration with the equipment, can show the charm of fashion at any time. 5、Use high quality materials for safe and secure usage. Features: 1. The environmental protection fireproof board is clean and tidy. High technology\true material\fine craft. 2. High-quality acrylic crystal shell, high-precision laser cutting, new structural design, reliable and beautiful. 3. Strong wear resistance, can effectively prevent stains and scratches. 4. Equipped with precision, perfect integration with the equipment, can show the charm of fashion at any time. 5. Use high quality materials for safe and secure usage. 6. 3D Cassette rocker, each touch has the sound effect of the arcade room, classic reproduction. 7. Rocker ball: good hand feeling, convenient and sensitive. 8. Rocker special rocker retaining ring with quality assurance. 9. Smaller operating area, high sensitivity, smooth bypass, no delay, long life, light handy, moderate elasticity, smart controlling and easy to move. Specifications: Model: 30/24 Illuminated button + 5P rocker (double kit) black USB core board Applications: for Arcade, fighting game, King of Fighters home USB set, etc. Size: Approx. 8.5* 3.5*1cm/ 3.35* 1.38* 0.39inch Package size: Approx. 16.2* 9.5*8cm/ 6.38* 3.74* 3.15inch Package List: Rocker Base * 2 Rocker ball * 2 Rocker stick * 2 Core board * 2 USB cable * 2 Button cable * 20 Other cable * 24 Button * 20