Tuya Smart Bi directional Single Phase WIFi Meter with Clamp Current Sensor 150A Measure the two-way energy and generated, ("from grid" and "to grid") Measure Exported/ energy, App monitor how much energy the solar and PV system produces, as well as its power consumption. Rated Voltage: AC 100V-240V Measuring Range: 0.1A - 150A Accuracy Class: 1.0 Current Transformer: 16mm Automation: Make scenes, when the or genrated power reaches a value, turn on or turn off an tuya smart switch or socket. Colour:White Material:plastic Package Contents: 1 x energy monitor 1 x 150A CT Clamp Only 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.