If you have any question, please contact me whatsapp: +8615003353514 Specification:-Scanning mode: Electronic array-Preset application:Convex probe: Abdomen, Gynecology, Obstetric,Cardiac,UrologyLinear probe: Thyroid,Pediatrics, Vascular,Carotid,Breast,MSK-Display mode: B, B/M, color, PW, PDI-Frequency:：Convex probe 3.5MHz/5MHz,Linear probe 7.5 MHz/10.0MHz，10/12MhzMicroconvex probe: 5.0/7.0MhzEndocavitary: 6.5/8.0Mhz-Depth:Convex 90mm~305mmMicro convex probe: 60-160mmLinear 20mm~100mm, 20-80mmEndocavitary: 30-120mm-Measure: Length, Area, Circumference,GA(CRL,BPD,GS,FL,HC,AC)-DR:40-100-FocusPos:0.1.2.3-Enh:0-4-Battery working time:：3.5 hours continuous working to 12h standby-Dimension: 156×60×20mm-Weight:：270g-Wifi type:：802.11n/20MHz/5G-Working system: iOS,Android,Windows