supply of biometric attendance system for government college of engineering, tirunelveli , supply of biometric attendance system for government college of engineering, tirunelveli , biometric attendance system: technical specifications fingerprints capacity : 800 card capacity : 800 transaction storage: 80,000 push data: yes card reader: yes fingerprint sensor : 500 dpi optical sensor far: <=0.0001% / frr : <=1% identication speed: <= 1sec algorithm ver: 10 led indicator : green/red schedule bell/speaker: mini speaker communication : tcp/ip, usb-host standard features: inbuilt battery backup, self service query, ssr recorder, automatic status switch, dst, t9 input power supply : 12v dc, 1.5 amps operating temperature: 0°c to 45°c operating humidity : 20% - 80% dimension : 185 x 140 x 30mm access control - relay: 12v exit readers support exit readers: push button dual mode: either ssr mode or software mod major applications time & attendance, canteen management, school attendance, production management, gym & clubs => limited