Battery Management SystemChina 4K*2K 3D HDMI Extender up to 50m to 80m HDMI Tx/Rx with IR Over Cat5e/6 HDMI 1.4 Transmitter + Receiver 4K X 2K 1080P Support 3D for TV DVD PS3 Projector, Find details and Price about China HDMI Extender, Video Extender from 4K*2K 3D HDMI Extender up to 50m to 80m HDMI Tx/Rx with IR Over Cat5e/6 HDMI 1.4 Transmitter + Receiver 4K X 2K 1080P Support 3D for TV DVD PS3 Projector