Meross Smart Wi-Fi Essential Oil Diffuser MOD150 •Turn on/off your oil diffuser via Meross app without distance limitation.•Customize color settings along with brightness control.•400ml reservoir makes it possible to set the heavy spray (7-9 hrs 30db) or light spray (12-14 hrs 25db).•Works with Apple HomeKit, Amazon Alexa, Google Assistant.•Waterless auto-off function keeps you safe and protects the device itself as well. •Different colors for various home decoration styles.•High-quality PP ABS adoption.