8 Channel Compact Relay Control Board Features Control Through PC USB Port (Com Port).Ready available LabView, DLL library.Fast and Realtime operation.Easy command set. Plug & Play. High Quality- Suitable for Industrial Application.6 Month Hardware warranty (except wear&tear).Fully developed in Malaysia.Local on-site support available.LED indicator Applications Industrial Automation.Home Automation.Lighting & Electrical Appliances Control.Test Fixtures.DIY & Hobby. Customization Customizable Input Voltage 7V/9V/12V/24V.Lite version available for cost competitive needs.