Display 2.8-inch TFT Screen Face Capacity 3,000 (Optional:5,000) Fingerprint Capacity 3,000 (Optional:5,000) Card Capacity 10,000 (Optional) Transaction Capacity 100,000 (Optional:200,000) Communication TCP / IP, WiFi (Optional), USB Host Standard Functions ADMS, Work Code, DST, Self-service Query, Automatic Status Switch, T9 Input, Photo ID, Masks Detection, Camera, 14-digit User ID, Multiple Verify Modes, Schedule Bell Hardware 900MHZ Dual Core CPU; Memory 512MB RAM / 8G ROM; 2MP WDR Low Light Camera; Adjustable LED Supplement Lighting; Operation System Linux Access Control Interface 3rd Party Electric Lock, Door Sensor, Exit Button Optional Functions 125KHz ID Card (EM) / 13.56MHz IC Card Biometrics Algorithms ZKFace 3.9 & ZKFinger V10.0 Facial Recognition Speed ≤1s Power Supply 12V 1.5A Working Humidity 20% - 80% Working Temperature 0 °C - 45 °C Dimensions (W*H*D) 170 * 138 * 38.55 (mm) Supported Softwares ZKBio Time Add to Comparison