This design smart IOT device applied to AC80-300V, 50/60Hz, rated current up to 60A single phase circuits in resident, commercial and industrial buildings. With 2.4G WiFi, is a smart meter to measure active energy consumption on grid, to remote control and set protections against over/under voltage, overcurrent, residual current(leakage) via mobile App anytime anywhere; and auto reclosing after protected conditions recovery to achieve non attended management. Programmable timing control to make your scheduled life efficiently and save electricity, and sharing. device with your family or persons concerned in . Note:Due to different production batches, there are differences in printing/appearance, which does not affect use. Poles: single phase 2P Voltage: AC80-300V Rated current: 5-60A adjustable Frequency: 50/60Hz Display: LCD Mounting:din-rail Colour:White Material:ABS Package Contents: 1 * wifi Smart Energy Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.