Features: Easily control your water pump and motor with this AC220V 315MHZ/433MHZ remote control switches. This Wirelessly remote control switches operates at a frequency of 315/433MHZ and long receiving distance. For home use, the remote control switches can handle a load of 3000W and with AC220 . Highly power control perfect for controlling various devices such as LED, garage doors, and security etc For wide applications including lighting, accesses control, and lifting equipment. Specifications: Working voltage: AC220V Working frequency: 315MHZ/433MHZ (optional) Circuit board Size:about : 35.3x31.8x15.3mm/1.38x1.22x0.6in Housing about: 41.7x39.3x25.8mm/1.64x1.55x1.01in Package Includes: 1Set Wirelessly Remote Control Switches Set note: Due to the problem of lighting effects and shooting, there will be tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.