Hollyland Mars 400 Dual HDMI Wireless Video Transmission System The USB Type-A port is

The USB Type-A port is compatible with most devices

X~PWR-H7™ provides protection against the harsh environments of winter sports

The filter minimizes the impact of low frequency hum

The RAM-B-177-237 consists of a glare shield clamp base

Hollyland Mars 400 Dual HDMI Wireless Video Transmission System The USB Type-A port isABOUT HOLLYLAND MARS 400 OLED Display Screen Check out all device status and control the system with displayed information on the screen. iQS & Android APP Monitoring Support up to 3x APP connections while the transmitter is connected to 1 or none receivers. Channel Scan Scan current environment on the receiver to find out available channels and avoid the channels with interference. Three Application Scene Modes Prioritize your video shooting over