The DTS238-7 WIFI Tuya APP Three phase four wire Smart Bidirectional Energy Meter is a smart energy meter that can be used to measure the energy consumption of three-phase four-wire electrical systems. It can be connected to the internet via WiFi and controlled using the Tuya APP. Features: Smart energy meter Measures three-phase four-wire energy consumption Connects to the internet via WiFi Controlled using the Tuya APP Bidirectional energy measurement Supports remote monitoring and control Specifications: Meter type: DTS238-7 Rated voltage: 3x220/380V Rated current: 60A Communication protocol: WiFi Dimensions: 95 x 53 x 32 mm Weight: 70 g Dimensions: Width: 95 mm Height: 53 mm Depth: 32 mm Weight: 70 g Uses: Measure the energy consumption of three-phase four-wire electrical systems Control electrical loads remotely Monitor energy consumption in real-time Generate reports on energy consumption Package includes:; DTS238-7 meter WiFi antenna Screws Instruction manual