- Capacity 2000 Fingerprints - 50, 000 Transactions - Blue Crystal Optical Sensor - Blue LCD Display - Black Casing - Communication RS-232/ 485 & TCP / IP - Schedular Bell - The Clock In / Out & Break In / Out & Overtime in / Out - RFID - Name Display - Dual Processor, 8 Digit User ID - Access Control - Mini Backup UPS 12V - Adapter DC-12V