Item Type: FFU Controller Material: ABS Power Voltage: AC220V 5W Output: Relay 10A 250VAC Operating Temperature: 0-50 (no freezing or condensation) Indicator: Running Indicator, No Load Indicator, Comm Indicator (Red and Green) Display: 2Pcs 3 Digits Digital Tubes Default Comm Format: Baud Rate: 9600, No Parity; Data Bits: 8; Stop Bit: 1 Comm Interface: RS485, Support for 03 Read and 06 Write Instruction Installation: 35mm Rail Mount Protection Function: View Load Voltage and Current, Overcurrent Protection with Fuse Alarm Indicator: No Load and Comm Error Indicator Gear Adjustment: 3 Gear Adjustment (1-3) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia