5pcs RFID TM Card Set IButton Touch Memory Key Features: 1.Made of premium material, waterproof, anti-rust, heat resistant and durable. 2.High quality touch memory card can operate within 40-85C. 3.Easy and convenient to install, no need for extra wiring. 4.Compact size and light weight, can be installed on mounted on almost any object like containers, trays and bags. 5.Used for various safety piurposes including sauna door locks, electronic door locks, cabinet locks and many other uses. Specification: Features: Made of premium material, waterproof, anti-rust, heat resistant and durable. High quality touch memory card can operate within 40-85C. Compact size and light weight, can be installed on mounted on almost any object like containers, trays and bags. Easy and convenient to install, no need for extra wiring. Used for various safety piurposes including sauna door locks, electronic door locks, cabinet locks and many other uses. Specification: Condition: Brand New Material: ABS Color: Yellow, black, green, red, blue Memory: 8kb RAM Working Temperature: 40-85C Package Weight: Approx.23g/0.8oz Package List: 5 * TM Cards