CineView HE 1T4R Combo(Model No.:WIT04-HE-1T4R) 1. High reliability dual band(2.4G and 5G) transmission 2. Transmission range up to 350 meters 3. Very low latency(<0.06 seconds) 4. HDMI In & Loop-out 5. High quality audio transmission 6. Support 1 transmitter to 4 mobile phones & tablets. 7. Professional iOS and Andriod App with complete functions 8. Power by NP-F type battery DC Input or USB-C 9. 1.3 inch OLED display 10.Firmware updatable