AIRKNIGHT HD SDI AERIAL VIDEO RECORDER SYSTEMSOLID STATE AIRBORNE 3G-SDI, HD-SDI, CVBS & HDMI RUGGED VIDEO RECORDER FOR HARSH ENVIRONMENTS.Record Video and Audio in full high definition. Full 1080p60 HD 3G-SDI solid state airborne video recorder designed for professional aircraft operations. Record 3G-SDI, HD-SDI, HDMI or CVBS (NTSC & PAL) video. Stream video over the network or the internet and record it to USB 2.0 or USB 3.0 flash media, external storage such as SSD or HDD, or SD media.