Features Test up to 19 lines: HDMI data cable tester can quickly scan and test up to 19 lines, and judge which one is short circuit, open circuit or wrong sequence. In the network cable test, you can choose to shield or unshield Two test modes: MINI-HDMI tester supports two test modes, fast scan mode and full display mode. Support two kinds of connectors, HDMI (Type A); HDMI mini (Type C) Three types of high-definition cable testing: HDMI cable tester can test three types of high-definition cables: a. Both ends are standard HDMI connectors (Type A-Type A); b. Both ends are HDMI Mini interfaces ( Type C-Type C); c. One end is HDMI interface, one end is HDMI Mini interface (Type A-Type C) Battery low voltage test: The cable tester can perform battery low voltage test. When the battery voltage is lower than about 7.2V, the blue light flashes, prompting to replace the battery. Automatic shutdown function, when there is no operation in the last 10 minutes, the instrument will automatically shut down. Multi-function test: HDMI data cable tester can perform continuity test, short circuit test and cross test. Working temperature is 0℃~40℃, storage temperature is -10℃~50℃, working humidity is 20%~80% RH, storage humidity is 10%~90% RH Features: UT681 HDMI is a professional tester for testing HDMI cable (HDMI 1.2V/1.3V/1.4V/2.0V). The cable tester can quickly scan and test up to 19 wires and decide which one is short circuit, open circuit, or in wrong order. MINI-HDMI tester supports two test modes, fast scan mode and full display mode. Three types of HD cables can be tested: a.Both ends are standard HDMI connectors (Type A - Type A); b.Both ends are HDMI Mini connectors (Type C - Type C); c.One end is HDMI connector, one end is HDMI Mini connector (Type A - Type C) Battery low voltage test, when the battery voltage is lower than about 7.2V, the blue light flashes, prompting to replace the battery. Auto shut down function, when no operation during the last 10 minutes, the instrument will automatically shut down. Specifications: Model: UT681HDMI  Supported Connector: HDMI (type A); HDMI Mini (Type C) Scan Test Mode: 20 LED (LED1~LED8, LED_G) scan test Full Display Test Mode: 20 LED (LED1~LED8, LED_G) all light on Continuity Test: Yes Short Circuit Test: Yes Crossover Test: Yes Network Cable Test: Sheilding/Un-sheilding Auto Power-off: After 10 minutes without operation Power Supply: 9V battery Low Voltage Test: Yes Operating Temperature: 0℃~40℃ Storage Temperature: -10℃~50℃ Operating Humidity: 20%~80% RH Storage Humidity: 10%~90% RH Altitude: Less than 2000 meters Weight: 175g(approx.) Package Includes: 1 x Transmitter 1 x Receiver Package List