Voltage:AC100-240V 50/60Hz Measuring Range: 0.2-80A Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:Black Material:plastic Package Contents: 1 x WiFi Energy Meter 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.