Teradek Spark 4K Wireless TX/RX; versatile and compact 4K HDMI Video transmitting set; stylish housing; input/output: HDMI; multicast capable: one transmitter can connect to up to two receivers; signals up to 4Kp30; 4:2:2 10-bit HDR; OLED display (status, resolution, channels, signal strength); range: up to approx. 140 m in line-of-sight; virtually latency-free (less than 1 ms); control via desktop or mobile for pairing, status, firmware updates; ports: USB-C and hollow plug (allow charging of internal TX battery and third-party power solutions); uses public frequencies in 5GHz range; companion app Launchpad displays link quality information; internal battery for mobile use and redundant power supply; included: ; 1x Spark 4K transmitter; 1x Spark 4K receiver; 1x hot shoe adapter; 1x light stand adapter (1/4-20); 1x 1m USB Type A to USB Type B (microUSB) cable; 1x Ultra Thin HDMI Type A to HDMI Type A cable; 18W AC power adapter 12 V DC with 2m cable; 30W USB-C power adapter ; Note: Spark 4K is not HDCP compliant. It is therefore not suitable for transmitting signals from DVD or Bluray players or gaming consoles, etc.