Working voltage: DC 12V/24V(6.5-25V)Working current: 8-20MAMODBUS RTU 03 06 command control modeInput port voltage range: 5-30VInput port status supports query (default) and automatic reportingThe default baud rate is 9600BPS, which can be configured to support 1200 2400 4800 19200 baud rateInput versions: PNP high level input (green PCB)Size: 122 x 88 x 47mm(with Case)Weight: 200 grams(with Case)ApplicationAutomated industry PLCPLC input expansion boardDigital in to RS485Smart Home,Home AutomationIdentification systemCCTV Camera PTZ ControlSecurity systemRS485 remote controlType: N4DIH32Colour: GreenMaterial: plasticPackage Contents:1 x Switch Quantity Acquisition BoardOnly the above package content, other products are not included.Note: Light 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.