, power: DC 3.8 V to 7.0 V • back light: green • baud rate: (9600 x N)bps, N=1-12 (default N=6) • image acquiring time: <0.5 s • finger prints storage capacity: 1000 • false acceptance rate: 0.001% (at security level 3) • false reject rate: 1.0% (security level 3) • interface: TTL serial • operating current (max.): 95 mA • average searching time: 1 s • working temperature: -20 - +50 ? • outline dimensions: 54 x 20 x 20.5 mm