Transmit, receive, and monitor high-quality wireless video transmissions using this compact Mars M1 5.5" Wireless Transceiver Monitor from Hollyland. The Mars M1 features a 5.5" touchscreen display that provides a sharp resolution and 1000 cd/m² brightness for follow focus and director's monitoring applications. Its built-in wireless transmitter and receiver allow you to send and receive video between M1 units or as well as to/from the Mars 400S Pro, Mars 300 Pro, and Mars 4K wireless transmitters/receivers at a distance of up to 450'. You can also monitor video from the M1 on smartphones and tablets running the companion Hollyview app.