Working voltage: DC 12V (6-24V) Working current: 10-16mA MODBUS RTU 03, 06, 16 command 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 command mode supports up to 247 devices in parallel Input port status supports query (default) and automatic reporting Default baud rate is 9600bps; configurable to support 1200, 2400, 4800, 19200 baud rates Applications: Industrial automation, PLC systems Digital input to RS485 / RS485 to digital output Smart home and home automation Identification systems CCTV camera PTZ control Security systems LED dot matrix displays RS485 remote control Color: Green Material: Plastic Size: 44 x 31 x 15mm Weight: With terminal: 12.5 grams With pin: 10 grams Without pin: 9 grams Package Contents: 1 x Input Output module Note: Light shooting and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3cm.