Features: 16 IN 1 MULTIMETER: Simultaneous detection and display of voltage, current, active power, battery energy, power frequency and power factor on the interface 2CLEAR DISPLAY: Color HD LCD is adopted, with 360 visual range, no blind area, and backlight function, which can be clearly seen in the day and night. 3MULTIPLE FUNCTION: When it is turned off, the value will be automatically saved, read the value after the next power on, and continue to increase the stored value. 4SAFE OPERATION: This multifunction digital meter uses ABS shell, which is safe and flame retardant, and the excellent chip ensures high accuracy. 5WIDE APPLICATION: Widely used in electric power monitoring systems, schools, markets, household appliances, industries and laboratories, etc. Item Type: 6 in 1 Digital Meter Model: SPM004 Material: ABS Measurement Accuracy: 1% 2 characters AC Current: AC0-100.0A, current display resolution is 0.01A, and 100.0A is displayed when the current exceeds 100A Power Frequency: 45Hz-65Hz Power Factor: 0.00-1.00PF Active Power: The measuring range is 0-30000W or 0-45000W, the display resolution between 0-9999.9W is 0.1W, and the rest is 1W Electric Energy: The measuring range is 0-99999kwh, 0-999.99kwh, the minimum display resolution is 0.01kwh 10000.0-9999.9kwh, the minimum display resolution is 0.1kwh, 10000.0-99999kwh, the minimum resolution is 1kwh Measuring Speed: About 2 times per second Opening Diameter: Approx. 22mm / 0.9in Saving and Memory Function: When the power is off, the instrument will automatically save the current electric energy value, and the meter will read the value after the next power on and continue to accumulate. 1 x Digital Meter 1 x User Manual