... Product information: Technical parameters:1, fingerprint storage quantity: 1500 2, Record Management Capacity: 1000 3, Record Attendance Capacity: 50,000 4, means ... (H7U) 5, blackout attendance :3 - 4 hours (with + No.) 6, effective collection area: 16 * 14mm2 7, the fingerprint-plane acceptance angle: ± 45 ...