A. Applicable to Series 5 models: 5020, 5020S, 5030, 5030S, 5040, 5040S, 5050, 5050CC, 5070, 5070CC, 5090, 5090CC, 5748, 57492. B. It is made of materials that offer durability, efficiency, and ease of use. C. To achieve good shaving results consistently, we recommend replacing the razor head every 18 months. Within 18 months, your electric razor can trim over 6 million hairs, after which the trimming performance may gradually decline. D. The razor head uses a special processing technology, which enhances the texture of the razor. E. Replacing the razor head can restore the performance of the razor and improve shaving results. By regularly replacing the razor head, the razor can maintain a good state for many years. F. Color: As shown in the picture. G. Material: ABS + metal. H. Package contents: 2 shaving accessories. The package only includes the above - mentioned contents and no other products. Note: Due to light reflection and different displays, the color of the items in the picture may vary slightly from the actual product. A measurement error of +/- 1 - 3 cm is allowed.