POS-X EVO-BR4 EVO Integrated Bio Reader for TP4 and TM4 Type: Fingerprint Reader Specification: Encrypted FingerPrint data Latent Print Rejection Pixel Resolution: 512dpi read area: 14.6mm x 18.1mm interface: USB Power requirement: +5vDC + 10%, 50mV ripple max. Color: Black Compatibility: TP4 TouchPCs and TM4 Touch Monitors Feature: DigitalPersona U are U fingerprint Reader Integrates with the TP4 TouchPCs and TM4 Touch Monitors Durable Metal Housing is engineered to last 3 Year Advance Replacement Protection