Features: 1. Supports Google And Alexa Language Control Switches; The Clamp Ring Supports Two-Way Measurement (Supports Measurement Of Power Consumption And Power Generation)2. Support Hour, Day, And Month Dimension Viewing, And The Option To Compare Consumed And Generated Energy Data; Current, Active Power, Voltage, Frequency, Power Factor And Other Real-Time Data3. 10A Thousand-Node Output, App Controlled Switch; Supports Cloud Schedule, Does Not Support Local Schedule4. Overcurrent And Overvoltage Protection (App Can Set The Value); Settings Are Saved When Power Is Turned Off.5. Support Ota; The Opening And Closing Clamp Ring Supports 120ADescription: Function: With Cut-Off 120ANote: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseEnergy Meter size: About 46 x 46 x 18.7mmMaterial: plasticcolour: As shownPackage Contents: 1 x Wifi Energy Meter1 x TransformerOnly 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.