The Hollyland Mars 4K is an amazing wireless video transmission system. It offers a 450ft (150m) line-of-sight (LOS) range and an ultra-low latency of just 0.06s, all at an affordable price. This system supports 4K UHD video transmission at 30fps, along with FHD and HD formats at 24p, 30p, and 60p, making it perfect for high - resolution video production. It comes with HDMI and SDI dual interfaces, providing great connectivity and compatibility. The transmitter can work with up to two receivers or four mobile devices with the app, allowing multiple parties on - site to monitor the shooting simultaneously. The Mars 4K has a durable design with excellent corrosion and wear resistance. Its disassembly - free bullet - styled antennas optimize operational functionality. Smart channel scan and selection ensure interference - free transmission, and the color LCD with a unique rocker - style button makes configurations and status checks a breeze. It also supports various power supply options, including 6V to 16V DC, NP - F batteries, and USB Type - C chargers.

Using the Hollyland Mars 4K is easy. First, connect your camera or video source to the transmitter using either the HDMI or SDI interface. Then, pair the transmitter with your receiver or mobile devices with the app installed. You can have up to two receivers or four mobile devices monitoring the video. When setting up, let the system do a smart channel scan to find the best channel for interference - free transmission. As for power, you can choose from a 6V to 16V DC power supply, NP - F batteries, or a USB Type - C charger. For the best performance, keep the transmitter and receiver within the 450ft (150m) line - of - sight range. Remember, this range is based on interference - free laboratory measurements, so in real - world situations, it might be shorter. To maintain the system, keep it clean and dry. Avoid exposing it to extreme temperatures or humidity. If you need to move the system, be gentle with the antennas as they are an important part of the setup. Also, regularly check the power supply to ensure it's stable and not causing any issues.