This USB controlled relay board with 2 channels is used the HID technology- so there is no need to install any driver in windows system. It's convenient and very easy to use. Specification: Relay type: 5V relay Contack type: NC / COM / NO Input current: ≥300mA Input voltage: DC 5V Max load: AC250V/10A or DC30V/10A PCB SIZE: 56.5mm*40.6mm Support Win7- XP 32-bit systems Application: Robotics control Home automation Control doors and windows via windows system Controller power supply Package included: 1 x 2 channels USB relay Following are the operation steps: 1, After get the item, please contact me for downloading the windows application which is rar file. 2, Open this rar file and the file 'TestApp', you'll find the file GuiApp_English.exe'. 3, connect this item with your computer and your equipments. 4, And now you could control your equipment through the APP as shown on the attached picture. There is no manual with the package for it's so easy operation. If any problem or question, please contact me. Thanks.
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