Hollyland Mars 400 Dual HDMI Wireless Video Transmission System It is available for GoPro

It is available for GoPro Hero3/3+/4/5/6/7 cameras

Quick engage and release of clamp

Sony Xperia L1

The GoPro Media Mod for HERO9 to Hero12 Black is an external housing that outfits the camera with a built-in directional mic with wind suppression

or to a total of three apps

Hollyland Mars 400 Dual HDMI Wireless Video Transmission System It is available for GoProABOUT 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