Topaz SignatureGem LCD 4x5 T-LBK766 Series Dual Serial/Virtual Serial via USB (High Speed) BackLit T-LBK766SE-BBSB-R Signature Capture Pad Part Number: T-LBK766SE-BBSB-R Color: Black Interfaces: Dual Serial/Virtual Serial via USB (High Speed) Sensor Type: Tempered glass surface Rated to 2 million signatures High-performance E/M digitizer Pen Type: Active low-power, rugged E/M, b rugged E/M, battery-less pen Backlit Option: Yes Signing Area Size: 4.6 inches x 3.4 inches Resolution: Exceeds industry standards Programmable PPI