Tuya 4inch Smart Downlight 10/15W LED Light SmartLife RGB CW+WW Lamp Support Alexa Home Via Hub 1. Mobile phone control: smart LED downlight is connected to mobile phone . Just download the free app and complete the configuration in a few simple steps to control the bulb. 2. Timing and Rhythm color mode: You can set a custom schedule the smart downlight. The new rhythm algorithm, truly effective and practical music rhythm. 3. Group control and joint control: You can create a group for all your smart downlights, and you can control them with just command. You can also share it with other family members through the app, and they can also use their mobile phone to control it. 4. RGB+CW+WW LED downlight: enjoy yourself with smart downlight and make your space more creative. Add color to your home with vibrant, mood-enhancing RGB lights. 5. Energy saving & multi-purpose: Compared with bulbs, smart downlights use LED technology to save up to 60% of energy consumption. 6. With the Tuya gateway MESH [SIG], the lamps can be connected to third-party voice platforms (alexa, home, etc.) to achieve voice control 7. With the Tuya gateway MESH [SIG], the lamps can be controlled remotely. Specifications: Product name: Tuya Smart Downlight Power: 10W/15W Color: RGB+CW+WW Voltage: 85-265V Weight: 187G Lumens: 800LM 950LM Material: PC+Aluminum+PBT 10W: Overall diameter: 90X45MM Opening size: 70MM 15W: Overall diameter: 105X45MM Opening size: 85MM Package Included: 1* smart downlight 1*User Manual