Set of 4 pieces 3‐Channel WiFi switch module for smart home automation. Ideal for controlling lights or other AC devices remotely via app. Specifications: • Voltage: AC 100–240V, 50/60Hz • Max load: LED 3 × 150W • Current: 3 × 3.3A • 3 independent channels (3CH) Perfect for home automation projects, smart lighting control, or upgrading traditional switches to WiFi control.