CSan mode electronic convex/electronic linear/electronic micro-convex. Image storagebuilt-in memony, storage by usb disk. 3.5mhz convex probe (1 pc). High frequency linear probe (5.0-9.0mhz).Monitoring systems new vet ultrasound scanner veterinary ultrasound system rectal porbe (cat/dog small animal). Read the description of ietm carefully. The sale of this item may be subject to regulation by the u. Food and drug administration and state and local regulatory agencies. This item unless you are an authorized purchaser. If the item is subject to fda regulation, we will verify your status as an authorized purchaser of this item. OFr more information, please feel free to contact. Address long teng yuan, 5-6-1-402, hui long guan, changping district, bei.