1) Compact size,indoor use; 2) Manual swipe type card reader, which supports single track/dual track/triple track; 3) RS232,PS/2,USB interface for option. BASIC SPECIFICATIONS Dimension: 154mm(L) x40mm(W) x 48.6mm(H) Weight: 245g(approx.) Power Supply: +5V DV ±5% Ripple: 50mVp-p max. Power consumption: 65mA(max.) Card Standard: ISO7811/7812 Track Position: ISO 1 (IATA) ISO 2 (ABA) ISO 3 (MINTS) Recordi7ng Density: 210 BPI 75 BPI 210 BPI Recording Capacity: 79 Characters (7bits) 40 Characters (5bits) 107 Characters (5bits) Reading Methode: F2F Interface: PS/2, RS232, USB (For option) Card Thickness: Plastic 0.76 ± 0.08mm Head Function: Read only 1.5mm Operation Speed: 10 ~ 150cm/sec Life of Head:500,000 card passes (1 pass : one swipe) Error Rate: 0.5% Lass Than (JSE Test card) ENVIRONMENTAL REQUIREMENTS Ambient Temperature Storage : -30°C to +70°C Operating : -20°C to +70°C Ambient Relative Humidity Storage : 0% to 95% RH Operating : 20% to 90% RH INDICATOR LED DESCRIPTION Color Signal Description Green Good Card reading is normal Red Error Card reading is abnormal