The lightweight DC-550 PRO 5.5" Touchscreen HD Monitor from Viltrox lets you view your camera's image on a bright, sharp 5.5" display. The DC-550 PRO supports up to 4K30 video input and can send the s espandi...ignal through an HDMI loop-through output. This PRO model features two additional histograms, three parade waveforms, a cooling fan, and 1200 cd/m² brightness, making it suitable for outdoor use.