Mi Smart LED Downlight / 4W Features: Xiaoai Voice Intelligent Control (only support Chinese) Bluetooth MESH fast networking Free adjustment of color temperature and brightness Cut-out diameter 75-80 mm * This product must be used with a device that supports the Bluetooth MESH gateway function. Description: Phone control Never get out of bed and turn off the lights Connect the downlight to the Mijia APP through the Xiaoai speaker and other devices that support the Bluetooth MESH gateway function, and you can use the Mijia APP to set the timing switch, delay the light off and other intimate settings. New group control One-click control of whole house lighting Through the Mijia APP, the downlights can be grouped and controlled, and the light status can be synchronized in real time. Bluetooth MESH technology Make multi-light control simple Bluetooth MESH technology does not occupy the bandwidth of the router and is stable and not easy to drop. Free adjustment of brightness and color temperature Match your ideal light as you like The heating and cooling of the light can be adjusted freely, the cold white light is transparent and bright, the warm white light is comfortable and gentle, and the warm yellow light is soothing and relaxing, so that the home has the temperature of light. Hole size 75- -80mm No need for secondary reaming It adopts more family-applicable size designs, eliminating the trouble of secondary reaming and making installation easier. Support mobile phone Bluetooth direct connection Experience without a MESH gateway The device can be directly added to the Mijia APP through the Bluetooth of the mobile phone. A single device can be controlled without a Bluetooth MESH gateway to experience smart dimming. Specification: Product model: MJTS003 Rated input: 220V~ 50Hz 0.032A Working temperature: -10°C~40C Rated power: 4W (16x 1W/LED module) Hole size: 75-80mm Color temperature: 2700- -6500K Luminous flux: 300Im Wireless connection: Bluetooth 5.0 Package List: 1 x Downlight 1 x User Manual(Chinese) Support mobile phone Bluetooth direct connection without MESH gateway can also experience* Devices can be directly added to the Mijia APP through the Bluetooth of the mobile phone, and a single device can be controlled without a Bluetooth MESH gateway to experience smart dimming. Note: Voice control, scene mode, timer switch, smart scene and light group functions are temporarily not supported in the Bluetooth direct connection of the mobile phone.