Features: · 1.7 inch high-definition color screen is crisp and clear images lightweight and convenient · · · 2G multi-frequency probe large-capacity image storage function · firm pressure impact-resistant design · Optional waterproof versions can be equipped with built-in battery · · high backfat probe Cost-effective technical indicators: Display size: 7 inches HD LCD display Scan Mode: Electronic convex array, linear array Display Mode: B-type, B + B type, 4B type, B + M, M-type display magnification: 1.0, 1.2, 1.5,2.0 display frame rate: 30 frames / sec Focus: Dynamic digital electronics by focusing processing before the point: variable aperture, dynamic apodization, dynamic digital filtering after treatment: 8 kinds γ correction, line correlation, frame correlation, the dotted line related, linear interpolation, digital temporal filtering, digital edge enhancement, pseudo-color processing, grayscale: 256 Frequency: probe with multi-frequency function measurements: distance, perimeter, area, volume, gestational age (horses, cattle, sheep, Dogs, cats obstetric measurement) annotations: hospital name, patient name, age, gender, full-screen character annotation, real time clock display reporting: automatically generate reports postural mark: 16 kinds of animals postural mark Gain Control: 8-segment TGC, total adjustable gain, respectively, movie playback: ≥64 increase permanent storage (optional feature): 2G large-capacity image storage function, is not lost when power can connect directly to a PC to upload the output interface: USB interface, video output interface, multi- function jack (includes online upgrade, screen output, USB real-time upload) Battery working time: ≥2 hours Total Weight: 950G (with battery) Machine size: 216mm × 147mm × 27mm dust and waterproof rating: Optional IP65 standard configuration: Host (with built-in battery), 3.5 convex array probe, power adapter, backpacks, suitcases optional: linear, convex, rectum, the probe can be equipped with backfat backfat probe