Working voltage: DC 12V (6-24V) Working current: 10-16mA MODBUS RTU 03, 06, 16 control mode Three functional modes selectable via jumpers: 8 channel input, 8 channel output, or 4 input and 4 output Input mode: Supports 3.3V/5V TTL level input; two input modes available: low level input (default) and high level input Output mode: 5V TTL level, low level (default) or high level output MODBUS mode supports up to 247 devices in parallel Input port status supports query (default) and automatic reporting Default baud rate: 9600bps; configurable to 1200, 2400, 4800, 19200 bps Applications: Industrial automation PLC Digital input to RS485 / RS485 to digital output Home automation Identification systems CCTV camera PTZ control Security systems LED dot matrix displays RS485 remote control Color: Green Material: Plastic Dimensions: 44 x 31 x 15mm Weight with terminal: 12.5 grams Package includes: 1 x Input Output module Note: Light and display settings may cause slight color variation from the actual item. Measurement error allowed: +/- 1-3cm