#hollyland #mars400 #rprasannavenkatesh #stayathome #stayhome First impression video of the Hollyland Mars 400 Wireless Video Transmitter. The Mars 400S from Hollyland is an entry-level 1080p60Hz Transmitter/receiver system featuring a 400feet line-of-sight transmission range. In a compact design, the transmitter and receiver each have an SDI and HDMI connection. The choice between the two connection types…