Made of flame-retardant materials to ensure the safety and reliability of the device; equipped with a high-definition LED LCD screen with bright colors and wide viewing angle to ensure accurate and intuitive data readingD52-2066 DIN-rail digital multifunction meter displays six electric parameters such as AC voltage, current, active power, power factor, frequency, and electric energy in real-time,Tuya WIFI connection function gives the meter remote controlling ability, users can view real-time data such as voltage, current, power, kWh, etc. whenever and wherever via mobilephone, realizing parent electricity consumption management, and easily master daily, monthly, and even yearly detailed electricity consumption statistics.easy to install on the guide rail, no need for a professional electrician, and users can easily connect the wires by themselves. Applicable to families, rental houses, hotels, lodging, office buildings, shopping malls, and other places and electrical equipment for power measurement, strong versatility, easy to install and use.Colour:WhiteMaterial: PlasticType: A:WIFI model 40-300V built-in/B:WIFI model 40-300V externalMeasurement accuracy: 1% 2 wordsAC voltage measurement ranges: 40.0-300.0VACAC current measurement ranges: 0-100.0A, current display resolution is 0.01AFrequency measurement ranges: 45.0Hz-65.0HzPower factor measurement ranges: 0.00-1.0OPFActive power measurement ranges: 0-45000W, the display resolution between 0-9999.9W is 0.1W, the remaining is 1W.Electricity measurement ranges: 0-99999kwh, the minimum display resolution is 0.01kwh for 0-999.99kwh, 0.1kwh for 1000. 0-9999.9kwh, and 1kwh for 10000. 0-99999kwh.Measuring speed: about 2 times per secondInstallation mode: DIN-rail typeThere are some differences between the actual product and the picture due to different batches, which will not affect normal use Package Contents:1x Digital Display Electricity MeterOnly the above package content, other products