4K @ 60 HZ HD VIDEO FIBRE-OPTIC EXTENDER -METAL SHELL, GOOD HEAT DISSIPATION, STRONG ANTI-INTERFERENCE ABILITY;WALL HANDING IS MORE CONVENIENT.USING SINGLE MODE FIBER STANDARD CAN TRANSMIT 10KM THE VIDEO RESOLUTION IS UPTO 3840*2160@60HZ. SUPPORT RS232 SERIAL PORT DATA TRANSTRANSMISSION. SUPPORT INDEPENDENT AUDIO TRANSMISSION TRANSMISSION. SUPPORT LOCAL RING OUT. HDMI 2.0 AND HDCP 2.2 STANDARDS.