... +Pen Drive BS160 TFT color screen fingerprint time attendance system with access controlTwo Methods to Install, Very Easy: ... Acrylonitrile Butadiene Styrene (ABS)Dimension(L*W*H):Type of scanner:OpticalLANGUAGE :English,Spanish,French,German,Portuguese,Turkish,Russian ... work for couple of hours without power(Optional) New Generation Color screen fingerprint time attendance system with access control