Meross Smart WiFi Essential Oil Diffuser, MOD150HK - Voice Control: compatible with Apple HomeKit, Amazon Alexa, Google Assistant. Free your hands and enjoy your smart home. - App Control: control your smart oil diffuser anywhere with internet access via the Meross app with no distance limitation. - Timer & Schedule: Meross Wi-Fi ultrasonic oil diffuser can be programmed to run for a certain time every day, or for specific days of the week. - LED Colored Lighting: customize color settings along with brightness control. BPA-Free - 2 Misting Modes: a large 400ml reservoir makes it possible to set the heavy spray (7-9 hrs 30db) or set the light spray (12-14 hrs 25db). - Perfect Gift Idea: 2 colors available, you can choose different colors for your families and friends,very suitable for bedrooms, offices and yoga rooms.