Features Monitoring Energy Consumption: If the user has a solar photovoltaic system in the home, after installation according to wiring diagram, the smart energy meter can monitor the electricity generated by solar photovoltaic system and energy consumed by city APP Monitoring: After the smart energy monitor is connected to WiFi(WiFi can be connected to the Internet), users can monitor the device status anytime and anywhere on the for tuya APP or for SMART LIFE APP(mobile phones can get internet signals) With Sensors: For tuya smart energy meter come with 2 300A current transformer CT clamp sensors, current measurement range is 300A+300A, efficient and practical Monitoring Content: WiFi smart energy meter real time monitor voltage, current, power factor, active power and frequency, operating voltage is AC90‑250V, and the measuring current is 0.2‑300A Data Storage: WiFi smart energy monitor allow you to view the hour, day, month, and year energy consumption records on the APP, and the APP can keep the records for more than 1 year, support for click and run and automation of other for tuya devices Feature: 1. TECHNICAL PARAMETERS: Rated voltage from AC90‑250V, 50/60HZ, installation using 35MM DIN guide rail, data refresh rate for 1 time per 15 seconds Specification: Item Type: WiFi Smart Energy Meter Clamp: 2 x 300A Support System: Compatible with for Google Home WIFI: 802.11B/G/N20/N40 at 2.4GHz BLE: Bluetooth 4.2 low energy Rf Characteristics: Operating Frequency: 2.4GHz built in antenna Operating Voltage: AC90~250V 50/60Hz Measuring Voltage Range: 0.2A~300A Calibration Measurement Accuracy: ≤100W(within ±2W); >100W(within ±2%) Report Period: Every 15 seconds Temperature Range: -20~55℃ Humidity Range: ≤90% No condensation Mounting Method: 35MM DIN rail Package List: 1 x Smart Energy Meter 1 x User Manual Package List 1 x Smart Energy Meter 1 x User Manual