Features Convenient Use: This voltage current meter has compact structure, for fast installation, and the button operation is simple and reliable, has a wide range of applications. Digital Display: This energy meter adopts digital screen to display the voltage and current values, convenient for users to monitor the circuit status and data in real time. Circuit Protection: This electricity meter has over temperature and over current power off protection function, ensuring safe circuit operation, can be used with confidence. Multiple Usages: This electricity tester can be used to measure voltage, current, electrical energy, temperature, frequency, and power, which is efficient and practical. Applicable Range: This din rail energy meter is suitable for AC circuit with voltage of 170‑270V and current of 0‑63A, meeting diverse electrical measurement needs. Specification: Item Type: Rail Voltage Current Meter Material: ABS, PC Voltage Range: 170-270V Current Range: 0-63A Timing Range: 0-999 hours Energy Range: 0-9999Kwh Temperature Range: -20-150℃ Frequency Range: 50-60HZ Power Factor: 0.00-1.00PF Package List: 1 x Voltage Current Meter 1 x Connection Wire Package List 1 x Voltage Current Meter 1 x Connection Wire