1 Relay Module. Onboard square USB interface, stable connection. Relay size: approx. 6.2 4 1.5 cm/ 2.44 1.57 0.59 in. Adopt for technology, no need for any driver, plug and play. Military-grade PCB board production.
The 2-Channel USB Switch Module Smart Relay Controller for PC Use would be ideal for users in need of a high-quality, customizable, and easy-to-use relay controller for their PC applications.
