1. This is a DIY smart remote control key with a frequency of 433MHz and a PCF7961 chip. 2. The key consists of a key housing, key blade, circuit board, integrated chip and battery, which is a complete remote control key. 3. Before using, you need to program the key and cut the key piece at the car locksmith. 4. If your key has a different frequency or chip type, please do not buy it. 5. Material: metal + plastic.
