A. A 433MHz three-button remote key replacement entry key fob transmitter for models from 2000 onwards, with a BGA chip and an uncut key blade. B. Buttons: 3 buttons (lock/unlock/trunk). C. Frequency: 433MHz. D. Chip: BGA chip. E. It is a key that has not been used. F. This is a complete key with all electronic components and a battery already installed. G. It can be a replacement for your key. H. After being cut and programmed, this key can be used in your car to lock and unlock the doors. I. Programming: - This key needs to be cut and programmed by a dealer or a locksmith. There is no manual programming method. J. Applicable models: - Suitable for A, E, S, G, CLK, ML - class models from 2000 onwards. K. Color: Black. L. Material: Plastic. M. Dimensions: Outer shell dimensions: length 7.2 x width 4 x height 1.2 cm. N. Package contents: - 1 three - button remote key (with key blade) for models from 2000 onwards. O. Only the above - mentioned package contents are included, and other products are not included. P. Note: Lighting and different monitors may cause the color of the item to vary slightly from the actual product. A measurement error of +/- 1 - 3 cm is allowed.