... measurements: BPD, GS, CRL, FL, AC, HC, etcPermanent function of image store: 32 imagesBack-lit keyboard 2 probe connectorsProbe ... real-time clock and calendar display; Software reset function;Printer function: can connect laser printer and Video printer directly;Comment: Date, ... , OB/GYN, urology, cardiology, small parts etc;USB Function of image store: more than Sixteen thousand images;Power supply ...