Features 【Professional Application】: UT681 HDMI is a professional HDMI cable tester for testing 1.2V/1.3V/1.4V/2.0V. 【Fast and Accurate】: It can quickly scan and detect up to 19 wires, and judge which wires are short-circuited, open-circuited, or connected incorrectly. 【Dual Mode】: Supports two test modes, fast scan mode and full display mode. 【Compatible with Multiple Interfaces】: A. Both ends are standard HDMI interface (Type A-Type A); B. Both ends are HDMI Mini interface (Type C-Type C); C. One end is HDMI interface, the other end is HDMI Mini Interface (Type A  Type C) 【Intelligent Adjustment】: When the battery voltage is lower than about 7.2V, the blue light will flash, prompting to replace the battery. The instrument will automatically shut down when there is no operation for the last 10 minutes. Features: 1. UT681 HDMI is a professional HDMI cable tester for testing 1.2V/1.3V/1.4V/2.0V. 2. It can quickly scan and detect up to 19 wires, and judge which wires are short-circuited, open-circuited, or connected incorrectly. 3. Supports two test modes, fast scan mode and full display mode. 4. Compatible with multiple imnterfaces: A. Both ends are standard HDMI interface (Type A-Type A); B. Both ends are HDMI Mini interface (Type C-Type C); C. One end is HDMI interface, the other end is HDMI Mini Interface (Type A Type C) 5. When the battery voltage is lower than about 7.2V, the blue light will flash, prompting to replace the battery. The instrument will automatically shut down when there is no operation for the last 10 minutes. 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（Without 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（Without battery) Package List 1 x AC Multifunction Digital Meter 1 x Closed Type CT