Type:Ultrasonic Transducer Item:Color Doppler Wireless Ultrasound Probe Elements:128 Display mode:B, B/M, color, PW, PDI Host:IOS/Android Phone/Tablet Frequency:Convex probe 3.5MHz/5MHz, Linear probe 7.5 MHz/10.0MHz Depth:Convex 100mm-280mm, Linear 20mm-55mm Image gray scale:256 level Measure:distance, area, obstetrics etc. Weight:308 gram Wifi type:802.11g/20MHz/2.4G Show More