Features: APP CONTROLBluetooth--compatible recessed ceiling light adopts Bluetooth 4.0 chip, and the transmission is stable. This technology also realizes that one mobile phone can control multiple lights, and multiple mobile phones can control one light. LIGHT COLORS16 million light colors for your choice. In the music mode, the light changes with the rhythm of the music. There are also cool white and warm white to meet your different lighting needs. STRONGE MATERIALThis ceiling lamp is compatible with Tuya Smart and compatible with Smart life You can easily control it through your mobile phone and enjoy functions such as light color changing, dimming, and timing. HOW TO INSTALLWhen installing, first open a hole of 7.5-10.5cm/2.95-4.13inch, then wire, and then use the clip of the lamp to fasten the ceiling. Easy and safe to install. WIDE APPLICATIONThe embedded ceiling light realizes multi-device custom scenes and creates various atmospheres. It is suitable for installation and use in different places such as homes, hotels, cafes, restaurants, bars, and game rooms. Specifications: Material: PC Color: White Light color: RGB, cold white, warm white Size: (Approx)(Upper L x Lower DIA) 11.3x7.2cm/4.45x2.83inch Power: 15W Voltage: 85-265V Color temperature: RGB+, CW, WW Bluetooth version: Bluetooth-compatible 4.0 APP: Compatible with Tuya smart, compatible with Smart life Package Included: 1pc x Smart LED downlight Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.