Features Energy Monitoring --- This device can monitor bidirectional energy consumption, can monitor the electricity generated by solar photovoltaic systems and the energy consumed by urban power grids. Mobile APP Control --- After the smart meter is connected to WiFi (with internet access), users can monitor the device status anytime and anywhere on the for Tuya or for SMART LIFE APP (with phone signal). Current Transformer --- This intelligent electric energy monitor is equipped with two 200A current transformer CT clamp sensors, with a current measurement range of 200A+200A, efficient and practical. Multiple Functions --- This single phase monitor supports real time monitoring of voltage, current, power factor, active power, and frequency, the working voltage is AC90‑250V, the measuring current is 0.2‑80A. Consumption Records --- You can view energy consumption records for hours, days, months, and years on the APP, with a maximum retention time of over 1 year, supports click to run and automation of other devices. Specification: Item Type: Smart Energy Monitor Current Transformer: 2 x 200A WiFi: 802.11B/G/N20/N40 at 2.4GHz BLE: Bluetooth 4.2 Low Energy RF Characteristic: Working Frequency: 2.4GHz, built in Antenna Working Voltage: AC90-250V 50/60Hz Measuring Current Range: 0.2A-80A Calibration Measurement Accuracy: ≤100W (within ±2W), >100W (within ±2%) Report Cycle: Every 15 seconds Temperature Range: -20-55℃ Humidity Range: ≤90% non condensing Installation Method: 35MM DIN Rail Package List:1 x Energy Monitor 1 x User Manual Package List 1 x Energy Monitor 1 x User Manual