The KEYDIY KD Car Flip Key Remote Key Knife Type B-Series 4 Buttons B21-4 is a universal flip remote key specifically designed for the KEYDIY systems like KD-X2, Mini KD, KD900, and URG200. This feature-rich remote key includes panic unlock, trunk release, and lock functions, all conveniently packed in a sleek black design. With a factory warranty and made in China, this remote key is a reliable and secure option for enhancing the security and convenience of your vehicle.