- Screen energy data: with optical LCD display, intelligent electric usage display can display voltage (V), current (A), power (W), power (kWh), frequency (Hz), cost, maximum power, minimum power, air conditioning, PM value, humidity, temperature (degrees C/F), timer and so on. Wi-Fi remote control: Connects to phones and devices via Bluetooth, allowing remote control of devices with your phone, to allow you to monitor data on your phone. Turn on the AI voice remote control of mobile devices connected via connected voice devices even before you go home. The timer/power off can be set by your phone, saving power when you are out of the house. Safe: Provides smart charging or on-time power supply option. When you set a value, the screen will automatically turn on and then stop when your device is full of charge. The automatic cycle timing function can help you add oxygen to your aquarium or home aquarium without any manual skill. Note: The different advice system needs to run a different delivery. Please search for the E_test app for Apple, scan the quick response code to download the app for Android, or add SIB-BLE to your computer and laptop. The manufacturer will continuously maintain firmware upgrades for Wi-Fi to provide better functionality for customers. Wide use: It can be widely used on various devices for calculating energy consumption, such as computers, digital video game players, televisions, ovens, bakers, decoders, coffee makers, fans, air conditioners, water heaters, DVD systems, Hi-Fi system, etc.