Diyeeni 4-Channel 12V USB Control Switch Relay Module, Relay Board Switch Controller, PC Relay Module Expansion Board, Relay Board for Automation








Key features
- •Onboard square USB interface, stable connection.
- •Use imported high performance USB control chip.
- •Use the special relay drive chip ULN2803, the relay works more stable.
- •Military-grade PCB board production.
- •Board power socket and terminal, two ways to access the power supply are convenient and flexible.
BrandDiyeeni
CategoryCategories
Diyeeni 4-Channel 12V USB Control Switch Relay Module, Relay Board Switch Controller, PC Relay Module Expansion Board, Relay Board for Automation
List Price: $28.98$26.08DEALYou Save: $2.90 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 22, 2026In Stock (30)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection







