Feature:1. Sensitive: RFID key fob has sensitive induction, and the door will open as soon as you approach the sensing area, convenient and fast.2. Features: Small size, lightweight, easy to carry and store, sufficient number of RFID fobs making you no longer need to worry about loss or damage.3. Upgraded Design: Smart chip and thicker copper wire design give you an excellent using experience, professional manufacturing to meet your use needs.4. Safe ABS: ABS environmentally friendly material, safe and reliable, durable and fall resistant, not easy to wear and deformation.5. Application: Waterproof RFID proximity keys are suitable for community access control, time and attendance, and parking.Specification:Item Type: RFID Key FobMaterial: ABSProduct Size: Approx: 25x35mm/0.98x1.37inFrequency: 125KHzErase: Do not erase.Package List:100 xRFID Key FobNote:1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.