5Pcs Relay Module Driver Free 1 Channel Control Switch Controller Board for PC Computer 5V

Feature: 1. Better Control: Comes with stable USB to serial port chip and micro controller to control the 1 channel relay on and off. 2. Working Safety: Also has over current protection and relay diode freewheeling protection to ensure safe and stable working. 3. Premium Design: On board 5V, 10A 250VAC, 10A 30VDC relay for a service life to be continuously pulled in 100,000 times. 4. Simple in Work: Equipped with on board HID control chip, this driver free relay module is easy to use, just plug and play. 5. Easy to Install: Compact in size and light in weight as well, all the 5pcs relay controller is very convenient to install. Specification: Item Type: Relay Module Material: PCB copper plate. . Package List: 5 x Relay Module Note: You must insert the module first and then start the software, because only when you start the software will the software detect whether there is a module inserted and automatically build a connection. Better Control: Comes with stable USB to serial port chip and micro controller to control the 1 channel relay on and off. Working Safety: Also has over current protection and relay diode freewheeling protection to ensure safe and stable working. Premium Design: On board 5V, 10A 250VAC, 10A 30VDC relay for a service life to be continuously pulled in 100,000 times. Simple in Work: Equipped with on board HID control chip, this driver free relay module is easy to use, just plug and play. Easy to Install: Compact in size and light in weight as well, all the 5pcs relay controller is very convenient to install.