Item Type: DS1990A Electronic Key Material: Resin Package List 5 x Electronic Keys 1High Compatibility: The DS1990A electronic key is compatible with a wide range of contact smart card reading and writing devices, making it easy to use and connect. 2Strong Security Protection: IB tag TM card can be used with programmed passwords and encryption technology to protect individual information. 3Quick Identification: The key provides easy identification, making it quick and efficient for users to gain access. The key is designed to be compact and can be easily carried on a keychain or attached to a badge holder. 4Premium Material: IB TM electronic key is made of premium material, which is high strength, reliable, sturdy and durable and has a long service life. 5Easy to Use: DS1990A F5 electronic key with stable performance is designed to be easy to use, so you can use it easily, which is convenient and practical for you.