Fingerprint Template 3000 ID Card Capacity 3000 Record Capacity 200,000 Display 2.8-Inch TFT Screen Communication TCP/IP , USB-host MORE INFORMATION Standard Functions Backup battery, Automatic Status Switch Self-Service Query Work Code T9 Input DST Scheduled-bell Software ZKTime.Net 3.0 Power Supply DC5V 1A Operating Temperature 0-45 °C Operating Humidity 20%-80% Dimensions 184×136×38 mm (Length×Width×Thickness)