Features: Large Capacity: The access control machine can accommodate nearly 1000 users and can read data from 125KHz EM cards. Convenient Design: With a round mini size and 6 wires makes installation easier and more convenient. Waterproof Access Control Machine: IP66 waterproof rating metal smash-proof housing not afraid of rain leading to machine failure. Fingerprint Sensor: Capacitive fingerprint sensor sensitive induction no key to open the door. Customer Service: If you have any questions please contact us right now we will help you solve as soon as possible. Specifications: Material: Metal Storage Capacity: 1000 Operating Frequency: 125(Khz) Sensing Method: Fingerprint/swipe card includes: 1 * Fingerprint Door Lock