Extended Battery Life:Enjoy up to 70 hours of continuous operation with the ETCR1000C's energy-efficient DC 3V power supply. Etcr1000c Phase Rotation|Clamp-type Non-contact Measurement:Achieve safe, non-contact phase sequence detection with clamp-type inductive measurement, avoiding high-voltage exposure. Phase Sequence Detection:Detect positive, reverse, and phase loss with precision, ensuring accurate phase sequence analysis. DC Line Break Point Detection:Identify DC line break points swiftly, enhancing line maintenance efficiency and safety. Magnetic Base Design:Equipped with 4 magnets, the ETCR1000C's magnetic base provides stable attachment to metal surfaces for easy testing. Color: As Shown Material: plastic Package Contents: 1 x Phase Sequence Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.