AVerMedia HDMI Signal Detector CT130 is used to measure HDMI signals. It can check 4K HDMI signal parameters of the device under test to ensure the compliance with HDMI 2.0 specifications. AVerMedia HDMI Signal Detector CT130 is designed to check and report DC voltage level of each HDMI signal. It can efficiently test the continuity of all HDMI features. CT130 is connected to an HDMI video source to verify if all the digital signals are being transmitted properly.