Item name: Wifi LED downlight
Power: 10W
Voltage: AC86-265V/ 50-60HZ
Color: Rgb CCT
LED Light Source: SMD 5050
Diameter: 140mm
Cutout: 95mm
Control: 2.4G RF/WIFI Control
APP: Tuya Smart Life
Dimmable:Yes
Support system:Amazon Alexa, Google home,  IFTTT,  support Android/IOS system 
Hub:No need. 
Fixture:Smart wifi led bulb, No hub required, works with Alexa and Google Assistant, Dimmable, Time Setting,
Features:Voice control, smart phone control, long-range control, group control