2 Channels For Reverse and Forward direction And you can read from App for each Channel Real-time total power of 2 channels of reverse and forward direction Power for Channel A and B Separately(W) Current(mA) Voltage(V), Electricity Statistic for each channel in Forward and Reverse direction. Hourly Elec.(kWh) Daily Elec.(kWh), Monthly Elec.(kWh) Yearly Elec.(kWh) Working Voltage: AC100V-240V, 50/60Hz Rated Current: 80A Wireless Type: Wi-Fi 2.4GHz Only,5GHz Not Support Support System: Android/IOS Color: As Shown Material: plastic Package Contents: 1 * Tuya WIFI Smart 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.