9 in 1 Display: Totally 9 parameters in one LCD colorful digital display screen. Clearly see the Voltage, Current, Power, Timing, Temperature, Power Factor, Electric Energy, Alarm prompt,Frequency, which is practical for use and can meet your various work needs.With upgrade split AC current transformer: The opening and closing type transformer has high precision and has a buckle for easy disassembly and assembly, separated with the multimeter, can be installed on anywhere flexibly; can embedded buckle installation, more stable. It is equipped with a 485 communication interface and temperature sensor interface, and the host computer software is attached with a download link.Overload alarm function and storage function:Backlight and power will flash simultaneously to give an alarm when voltage and electric energy exceeding the preset value.You can preset power limit by yourself. in the event of a sudden power failure, the last test data will be automatically saved; No need to worry about data loss due to sudden power failure.How to clear timing and electric energy: Long press "MENU" for 5 second. when the parameters flashing, short press the "MENU" to choose Timing or Electric Energy. Then short press twice to clear the parameter and long press 5 second to save.Wide application: it can be applied in home appliances, high and low power distribution cabinets, inverter power supplies, electrical maintenance, assembly line testing and photovoltaic systems .Colour: Blackmaterial: plasticPackage Contents:1 x AC power multi-meters with opening type transformer1 x temperature wireOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.