1. Are there any charges for data cloud? A: It's free!. 2. What APP is supported and where can I download it? A: Currently Tuya APP and Smart Life APP are supported, which can be downloaded in major application markets (Google Play for Android, Apple App Store for IOS). 3. Does this currently support computer APP? A: The WIFI version does not support computer APP, but the Bluetooth version can support computer APP<br> 4. What types of mobile phones are supported? A: Currently support Android phones and Apple phones!. 5. How big is the shunt? A: The built-in 100A shunt does not require an external CT!. 6. Is it single-phase or three-phase? A: At present this is a single-phase electricity!<br> 7. Is this product a 2.4G or 5G network? A: This model is the WIFI version, supports 2.4G network, currently does not support 5G!<br> 8. Regarding the relay, what is the difference between the WIFI version and the Bluetooth version? A: Built-in 100A relay, WIFI version include relay, Bluetooth version does not include relay.<br> 9. Does the product have power-off memory? A: Data has power-off memory, switch mode has no power-off memory. Once the power is turned on, the relay is closed, and the screen will normally display on that the connection is not disconnected!<br> DIY Supplies: ELECTRICAL<br> material: plastic<br> Color as shown<br> Measuring Energy Range: 0-99999KWH<br> Display Type: Analog and Digital<br> Model Number: AT2PW<br> Power Supply: AC<br> Phase: single phase<br> Rated Voltage: 220V<br> Operating Temperature: -10°C~+60°C<br> Accuracy Class: 1%<br> Max Operating Current: 80A - 99A<br> Installation: 35mm Din rail<br> Display Panel: 2.4 inches TFT-LCD HD Display Panel Graphic 240X320 RGB Dot-matrix<br> Wireless Type: 2.4GHz 802.11b/g/n<br> Power range: Max 26.5KW<br> Energy Measurement range: 0 ~ 99999kWh<br> Package Contents:<br> 1