... : Main configuration:USB 2.0 compatible,Ultrasonic videoing workstationB ultrasonic image dynamic playbackB ultrasonic videoing grey scale reaches 256Small, light, compatible ... scanDetect Depth>=50mmImage storge: 10 framesGray Scale: Levels 256Dynamic playback: 100 framesImage Post processing: brightess, comparison, smooth, sharp, gray, stretch, equalize ...