Battery 192 frames cineloop Two USB ports SD card 3000D1 Laptop Full Digital Ultrasound Advantages: Light weight of 1 kg, 2cm for thickness, 17cm for width, 25cm for length, very convenient for doctors to carry out.U Disk for upgrade.Dismountable battery.Connect with Jet printer, Laser printer to print directly.Other performance is as the same as the laptop computer, such as power save mode, ...