The product features a sampling period that is adjustable from 50MS to 1000MS and a sampling depth that can be set between 10 to 100 times. It operates at a baud rate ranging from 1200 to 115200BPS, with an accuracy of 0.1A and an error margin of ± 1%. The communication frequency is 50Hz (10-100Hz), and it can function within a working temperature range of -37 to 75 °C and humidity levels below 90%. The detection range includes 0-10A, 0-30A, and 0-50A, each with an accuracy of 0.01A and an error of ± 1%. The device supports conventional AC current measurement and chopping voltage regulation AC current measurement, making it versatile compatible withvarious applications. Color: Blue Material: ABS+PCB Specification: 3-way Package Contents: 1*RS485 Isolation Module 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.