Welcome to our shop, our main business is home garden products.

This store has:
★ High quality and affordable products
★ Shipment within 24 hours (may be delayed in case of out-of-stock, please forgive me)
★ Professional product packaging
★ Choose from a variety of vouchers and bundle offers
★ Online customer service welcomes customers to consult and negotiate prices

Follow us, like the product and leave a "free gift" on the order, and we will give you a free gift when it is shipped. In this store you will find the products you want.

----------Product Information----------
1. Better Control: Comes with stable USB to serial port 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 , this 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 . 

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.