The extender uses single cat5e or cat6 (recommended) cables instead of HDMI cable to transmit high definition signal up to 120 meters, cutting down the cost. The extender is designed to supply for long distance transmission of high definition signal. FEATURES - Supports HDMI 1.4/HDCP1.4 - Supports local loop-out - Up to 120m long distance transmission - Low power consumption, low temperature, and high safety - Both TX and RX support 3.5 mm headphone jack - IR control - USB mouse and keyboard extension - Supports USB port touch screen function