Support screen touchcontrol and physical buttons control. Silent physical operation buttons. Support shortcut button setting.Support HDMI 4K input/output. (No SDI input/output for this model A50T). 3.5mm headphone output. Compatible with almost all cameras and camcorders. USB port for firmware upgrade. Multiple connecting holes (1/4 inch, 3/8 inch, M6 and cold shoe connector).Screen Size: 5 inch. Screen Type: Wide Color Gamut with IPS display. High Resolution: 1920*1080. Brightness: 510cd/㎡. Contrast Ratio: 1500 : 1. Wide Viewing Angle: 170 degrees.Dual battery compartment for NP-F NP-FM/QM batteries, for Sony NP-F970, F550, F570, F770, F750, and this would extend your working time greatly.