【New Difference In Mars 400S PRO】The difference in Mars 400S is reflected in the shell design and the cold shoe is added at the bottom; combined with the real-time streaming design, the network broadcast function is realized. Hollyland Mars 400S PRO supports three power supply: L series battery, 5-12V/2A Type-C and 6-16V DC supply. | 【Receiver for Live Streaming】Confirm that the video format is displayed on both the transmitter and the receiver, use the Type-C LAN connector to connect the notebook computer and the RX, and then set the real-time streaming to realize the web live streaming. | 【Channel Scan & APP Upgrade & High-Definition】Mars 400S PRO supports channel scan and firmware update on APP. In order to choose the best channel, channel scan can be used on receiver and APP, and easy & quick firmware update on the APP. The data raised from 8M Bps to 12M Bps for high-definition monitoring quality. | 【SDI & HDMI & OLED Screen】Mars 400S PRO supports both SDI and HDMI, including SDI IN on transmitter and OUT on receiver, and vice versa. Mars 400S PRO supports OLED display screen, which shows device number, WiFi signal strength, scene mode, USB flash detection indicator, device ID, channel display, video format, fan status, battery voltage display. | 【APP Monitoring & 1 Year Guarantee】Hollyland Mars 400S PRO transmitter supports 2 receivers. When app monitor is connected, 1 transmitter supports 1 receiver and 2 APPs monitoring, or 1 transmitter supports up to 4 APPs monitoring without receiver. Lightweight and compact design can meet different applications, such as wedding ceremonies/advertising /short videos /live broadcast and so on. With one year guarantee.