433MHz Wireless Remote Control Switch: This DC 12V 10A 1CH relay module receiver set provides stable 433MHz RF wireless control, ideal for DIY automation of gates, doors, lights, and other low-voltage devices.DC 12V 10A Relay Module: The built-in high‑power relay supports up to 10A load at 12V DC, suitable for LED strips, light bulbs, motors, pumps, and other home or industrial applications.ON/OFF Remote Control Operation: Easily switch connected devices on or off via the included wireless remote. Supports stable long‑distance control with strong anti‑interference performance.1CH (Single Channel) Design: Single-channel relay output simplifies wiring and configuration, perfect for controlling one circuit such as a gate opener, garage door, or lighting circuit.DIY-Friendly for Gate and Door Control: Widely used for electric gates, garage doors, rolling doors, and access control systems. Compact size allows easy integration into existing control boxes.Color: As ShownMaterial: plasticPackage Contents:1*Relay module receiverOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.