Wireless RF Relay Switch Module supports both AC and DC loads with high power switching capacity. Works with AC 10A 250V and DC 10A 12V–30V loads, making it ideal for controlling lights, fans, motors, pumps, garage doors, gates, and DIY automation projects. Operates on 12V DC input power and uses a 433MHz wireless RF remote for long-range control up to 50–100 meters in open area.