ID Tech WCR3237-512U Omni Magnetic Stripe Reader Only Type: Barcode & MagStripe Reader Interface: USB/Keyboard/RS232/TTL Color: Black Read Speed: 3 to 55 IPS Track: 1 & 2 Card Format: ISO 7811/AAMVA/CADMV Head Duty Cycle (Passes): 1,000,000 Dimensions: 5 x 2.05 x 1.38 (L x W x H)