Features: Two way remote control switches set, multiple working modes, simple and easy to use pairing method. Large button remote control, quality material, wear-resistant, waterproof, dustproof, and drop proof. Flame retardant housing, without fear of high temperature, flame retardant wiring terminals. FSK frequency hopping communication technology, automatic frequency hopping to eliminate interferences, 50ms fast response. Used for various types of lamp, outdoor lighting, advertising light box, garden irrigation, electric curtain, electric door/gate, etc. Specifications: Component: ABSColor: black, gray, yellow(optional) Voltages: 12V-36V, 220V(optional) Size: about 95x62x28mm/3.74x2.44x1.10inchProduct Name: 2-Channel Remote Control SwitchesFrequency: 433MHzReceiving sensitivity: -105dBmPackage Includes: 1pc Frequency Hopping 2CH Remote Control Switches Setnote: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.