Item Type: Energy Meter Model: PZEM-025 Material: PBT Material Current: 50A Input Voltage: DC5-12V Measuring Voltage: DC 0-300V Product Size: Approx. 85.3 x 44 x 32mm / 3.4 x 1.7 x 1.3in Application Scenarios: High and low power distribution cabinets, showcase display racks, photovoltaic inverters, assembly line testing, electronic maintenance, electronic DIY, etc. 1Can display voltage, current, power, energy consumption, current reverse indication, energy consumption reverse indication. 2HTN wide viewing angle, LCD display and green backlight offer a clear view for easy reading. 3Embedded installation with minimal wiring, very easy to be installed for indoor use. 4Integrated built-in shunt design, the measurement is more accurate and convenient. 5Enhanced PBT material, high temperature resistance, very durable for long?term use.1. This product is suitable for indoor use; 2. This product is suitable for DC; 3. The measured voltage and current shall not exceed the calibration range; 4. Be sure to wire it correctly. 1 x Energy Meter 1 x Wrench 2 x Cable 1 x User Manual