1 Working voltage: DC 12V (6-24V)<br> 2 Working current: 10-16MA<br> 3 MODBUS RTU 03 06 16 control mode<br> 4 Three functional modes can be by : 8 channel input/8 channel output/4 input 4 output<br> 5 Input mode: support 3.3V/5V TTL level input, there are two input modes: low level input (default) and high level input<br> In output mode: 5V TTL level, low level (default)/high level output<br> In MODBUS mode, it can support up to 247 devices to be used in parallel<br> Input port status supports query (default) and automatic reporting<br> The default baud rate is 9600BPS, which can be configured to support 1200 2400 4800 19200 baud rate<br> Application<br> Automated industry PLC<br> Digital in to RS485/RS485 to Digital out<br> Smart Home,Home Automation ;<br> Identification system;<br> CCTV Camera PTZ Control;<br> Security system;<br> LED dot matrix screen;<br> RS485 remote control;<br> Colour:Green<br> Material:Plastics<br> Size: 44x31x15mm<br> Weight:<br> no Pin:9 grams/pcs<br> Package Contents:<br> 5 x input Output module<br> Only the above package content, other products are not included.<br> 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.