Feature:1. LCD display can display voltage, current, power, and electricity at the same time. The display is clear and the reading is convenient.2. Plug and play, simple and efficient, equipped with standard connectors to prevent wrong connection and short circuit.3. Made of high quality PC material, the rail wattmeter is high temperature resistant, non flammable, safe to operate.4. Suitable for electronic engineering, mechanical equipment, electronic equipment, automated production lines.5. The multifunctional ammeter voltmeter has stable performance, high accuracy and accurate test results, convenient and practical.Specification:Item Type: Ammeter VoltmeterMaterial: PCModel: PZEM-008Installation Rail Specification: 35mmMeasurement Accuracy: ±1%Voltage Measurement Range: AC50~300VStarting Voltage: 50VCurrent Measurement Range: 0~100AStarting Current: 0.02APower Measurement Range: 0~30kWStarting Power: 0.5WElectricity Measurement Range: 0~1999kwhPurpose: Measure AC voltage, current, active power, electric quantity and display them on the LCD screenApplicable scenarios: electronic engineering, mechanical equipment, electronic equipment, automated production lines.Package List:1 x Ammeter Voltmeter 1 x Power Cable1 x Manual Note:1. This product is suitable for indoor use.2. This product is suitable for communication.3. The measured voltage and current shall not exceed the calibration range.4. Be sure to wire it correctly.