Features: 1. Intelligent Testing: The three-phase rotation tester can test circuit faults and quickly locate the fault point, helping you repair the circuit quickly and easily. 2. Advanced Design: The three-phase rotation tester is small in size, lightweight, and aesthetically pleasing, with a safe and durable material casing, making it convenient and practical. 3. Three-phase Sequence Detection: The three-phase rotation indicator is specifically designed to detect the three-phase sequence during motor installation and maintenance, providing a quick, simple, and accurate solution. 4. Protection Level: The LCD phase sequence detector is designed to meet CAT III 600V safety standards, with automatic low voltage recall and an automatic shutdown function when not in use. 5. LCD Screen: 3-digit LCD screen with a sampling rate of 3 times per second. The three-phase sequence rotation tester is a good aid for troubleshooting motors. Specification: Item Type: Three-phase Sequence Tester Model: VC850A+ Material: ABS Display: 3-digit LCD screen, with a character height of 18 mm. Sampling Rate: 3 times/s Operating Voltage Range: 40-600V Working Environment Temperature: 0-40℃ Working Environment Humidity: 0-80% RH Storage Environment Temperature: -10-60℃ Storage Environment Humidity: 0-85% RH Static Current: <3mA Power Supply: 3 AAA batteries, supplied without batteries. Instrument Dimensions: approx. 116 x 66 x 26 mm / 4.57 x 2.6 x 1.02 inches. Line Length: approx. 800 mm / 31.5 inches. How to Use: Use according to the user manual. Package Contents: 1 x 3-phase Sequence Tester, 1 x User Manual, 3 x Alligator Clips, 1 x Storage Box.