Feature:1. With RF function, support 2.4G wifi connection for Alexa and for home. 2. Support 433MHZ remote control, coding: 1527/2262, which has professional and stable performance. 3. Strong compatibility, support any light-controlled lamp switch. 4. This product is EU specification, applicable to the whole European market, including UK specification. 5. Comes with 5 kinds languages instructions: English, German, Spanish, French and Italian. 6. With voice control function, easy to operate, you can release your hands with a sound to control light. 7. Luxurious and fashionable design that fits well in most homes with different decorating styles. Specification: Condition: 100% Brand New Item Type: Smart Switch Material: PC Flame Retardant Color: As picture shown Optional Type: 1 Key, 2 Key,