Feature:1. Can measure a variety of parameters, such as voltage, current, power, charge and discharge capacity, power, time and temperature, etc.2. The product adopts TFT LCD screen, display information is comprehensive and has good interactivity.3. The wireless transmission communication distance is 10 meters, and the display module can display.4. Whether it is day or night, it is clearly visible, bringing you a better visual experience.5. This product can use USB cable directly without power supply, and has accurate measurement result.Specification:Item Type: Coulomb CounterMaterial: Plastic + glassTemperature Measurement Range: -20~120℃Capacity Display Range: 0%~100%Power Measurement Range: 0~200kWPower Accuracy: 0.001WAmp-Hour Measurement Range: 0~2000KAHCapacity Accuracy: 0.001AHWatt-Hour Measurement Range: 0~4000kWHWatt-Hour Accuracy: 0.001WHTime Measurement Range: 0~99 daysTime Accuracy: 1 secondCommunication Channel Range: A~Z (26 channels)Mailing Address Range: 01~99Voltage Accuracy: ± (2%+3 words)Current Accuracy: ± (2%+10 words)Sampling Rate: 5 times/secCommunication Distance: up to 10 metersMeasuring Board Power Consumption: About 0.4WDisplay Meter Power: About 0.5WNCP: 0~-300A (negative overcurrent protection setting range)OCP: 0~300A (forward overcurrent protection setting range)OVP: 0~100V/400V (overvoltage protection setting range)LVP: 0~100V/400V (undervoltage protection setting range)Protection Delay Time: 0~10sDisplay Size: Approx. 9.8 x 5.4 x 2.1 cm / 3.9 x 2.1 x 0.8 inMeasurement Module Size: Approx. 11.32 x 5.72 x 4.88 cm / 4.5 x 2.3 x 1.9 in.Package List:1 x Instrument Display1 x Electric Meter Module1 x USB Data Cable1 x Temperature Sensor Probe1 x Red and Black 2P Cable1 x Manual