Part number:1 Welcome to my store, Hope you have a pleasant shopping trip Specifications:Model: SUI-101AGrade: Industrial gradeOperating temperature: -40~ 85CSupply voltage: DC 5V0.2VCurrent range: 15ACurrent accuracy: 0.2 levelVoltage range: 0-400VVoltage accuracy: 0.2 levelPower range: 0-2000WPower accuracy: 0.5 levelSampling frequency: 1HzPower factor: -1 Minimum accuracy: 0.1uAMaximum power consumption: 0.1WInterface supports: 3.3V TTL serial interface (compatible with 5V)Communication protocol: Modbus-RTU or Intelligent identification of custom simple protocolsIsolation mode: The current and voltage transformers are completely isolatedTransmission rate: Baud rate: 4800 9600 19200 38400 57600 115200(User Settings)Size: 74.2*29.5*15mmPackage List:1 X Ultra-precision fully isolated power transmitterNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow 1-2cm slight dimension difference due to different manual measurement. It Is A DC3.7V-24V 4A LED Driver PWM Dimmer Module Stepless Potentiometer Circuit Control Board,This Product Is An Ultra-high-precision, Fully-isolated, Multi-functional AC Power and Electric Quantity Transmitter. Ultra-high Precision Fully Isolated Electricity Transmitter. The Modbus Slave Protocol Can Read Data Directly, Or It Can Be Read Through the TTL Interface of Single Chip Microcomputer Or Connected to the Computer From USB to TTL to Realize the Monitoring of the Upper Computer. The Communication Interface Uses 3.3V TTL Asynchronous Serial Interface and Is Compatible With 5V TTL Interface. SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Feel Free to Contact Us.We Will Provide After-sales Service Until You Are Satisfied. It Is A DC3.7V-24V 4A LED Driver PWM Dimmer Module Stepless Potentiometer Circuit Control Board,This Product Is An Ultra-high-precision, Fully-isolated, Multi-functional AC Power and Electric Quantity Transmitter. Ultra-high Precision Fully Isolated Electricity Transmitter. The Modbus Slave Protocol Can Read Data Directly, Or It Can Be Read Through the TTL Interface of Single Chip Microcomputer Or Connected to the Computer From USB to TTL to Realize the Monitoring of the Upper Computer. The Communication Interface Uses 3.3V TTL Asynchronous Serial Interface and Is Compatible With 5V TTL Interface. SHOP WITH CONFIDENCE: To Provide You With the Highest Quality Service, If You Have Any Question, Please Feel Free to Contact Us.We Will Provide After-sales Service Until You Are Satisfied.