A multifunctional socket that automatically calculates the za electricity bill measures power consumption, voltage, current and time. Functions: display of the current time display of power consumption display of network voltage displays and records the sum of electricity consumed display of the current outlet load (power of the device in watts) displays and saves the total turn-on time and charges za energy (after specifying the rate) - displays the frequency of the electrical network, power factor Specification: power supply 230VAC 50Hz maximum load 3600W, 16A Voltage measurement range: 200V – 276V voltage measurement error 1% current measurement range 0,01A - 16A current measurement error 1% or 0,01A power measurement range 0,0W - 9999W power measurement error 1% or 0,2W Total energy measurement: 999,9kWh frequency measurement range 45Hz - 65Hz clock error 1min/month Energy consumption <0,5W temp. Operation -0C to 50C Dimensions: Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia