1. 35MM standard rail mounting: convenient and efficient, compatible with DIN 35mm standard rail mounting system, plug-and-play design greatly simplifies the on-site installation process, suitable for all kinds of power distribution boxes and industrial control cabinets, saving space and installation time. 2. PC high-quality flame-retardant material shell: the shell is made of high-quality PC flame-retardant material, which has excellent high temperature resistance and flame retardant properties to electrical safety, and even in harsh environments, it can also effectively prevent fire hazards, and protect the safety of personnel and equipment. 3. High-definition large screen red and green dual-color display: equipped with high-brightness LED screen, using red and green dual-color display design, intuitive and clear data reading. Red warning, green safety, at a glance, even in complex light conditions can quickly identify the key information to enhance the convenience and safety of operation. 4. Wide voltage measurement range: support a wide range of AC voltage measurement interval, from 50V to 500V, to meet the monitoring requirements of different electrical equipment and power grid environment, providing users with flexible and comprehensive voltage measurement solutions to enhance the applicability and practicality. 5. Dual display design for voltage and current: The real-time values of voltage and current are displayed on the same screen at the same time, which avoids frequent switching of interfaces and improves work efficiency. This design makes the monitoring of equipment status more intuitive, especially suitable for the need to instantly monitor the power parameters. Measuring voltage: AC 50-500V Measuring current: 0-100A Installation: 35MM rail Installation size: 2P open position Display: High brightne LED Color: As Shown Material: plastic Package Contents: 2 x Voltmeters 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.