Topaz SigGem Color 5.7 T-LBK57GC Series Dual Serial/Virtual Serial via USB Backlit T-LBK57GC-BBSB-R Signature Capture Pad Part Number: T-LBK57GC-BBSB-R Interfaces: Dual Serial/Virtual Serial via USB Sensor Type: Internal hi-performance digitizer Pen Type: Active low-power, rugged EM pen, 1024 pressure level option Backlit Option: Yes Signing Area Size: 4.6 inches x 3.4 inches Data Conversion Rate: 377 pps Resolution: 410 Ppi