Remote Car Key For Mazda 2 3 5 6 8 M2 M3 M5 M6 CX-7 CX-9 MX-5 BGBX1T478SKE125-01 KPU41788 SKE126-01 313.8/315/433Mhz4D63 Features:100% new and High Quality!1 - This is for you to replace your worn or broken Remote Key.New Remote Smart Key suitable For Mazda Key.2 - Best replacement for broken or worn keys,or great for an additional key.3 - Remote control frequency 313.8/315/433Mhz+battery4 - You'll need to program the key and cut the blade at locl automotive locksmith before using.5 - You need to cut the key blade and program to match with your car at a Authorised automotive locksmith shop.Most locksmiths now provide such services,and charge much le than the dealer. How do I know this key is suitable for my car?1.your original key is smart key.2.your original key has the same buttons.3.your original key has the same frequency.4.If above items match, it's ok to buy this product.Note :if the chip or key blade type isn't the same, please don't buy. It will not work.