The Hollyland Mars 4K TX is a professional wireless 4K video transmitter supporting ultra-low latency HDMI 2.0 transmission up to 4K30 and SDI up to 1080p60. Ideal for high-performance film broadcast and live streaming applications this transmitter enables reliable interference-resistant connections at distances up to 150m (LOS). Features include 3 power input options scene modes manual channel scan fan control fractional frame rate support via SDI and app connectivity via 5GHz Wi-Fi. Compact and durable the Mars 4K TX ensures professional-level transmission on set or on the go. Supports HDMI 2.0 up to 4K30 and SDI up to 1080p60 Ultra-low latency wireless transmission Transmission range up to 150m (LOS) Scene modes: HD Speed and Balance Fan control: Auto and Silent modes Supports fractional frame rate via SDI (e.g. 23.98 59.94) HDMI loop-out for local monitoring Manual channel selection and channel scan Connects with up to 2 receivers or 4 mobile devices via HollyView App 3 power input options: NP-F battery USB-C (5V/2.5A) DC (6–16V)