Feature: 1. BLUETOOTH CONTROL: Plug in fragrance diffuser supports button control and Bluetooth APP control, easy to operate and use. Unplugged design, easy to change essential oils. 2. FLUID AIR ATOMIZATION SYSTEM: The use of high pressure technology will be rapid atomization of essential oil liquids, so that the aroma emanates higher and farther, the aroma pervades every corner. 3. LOW NOISE OPERATION: Plug in aroma diffuser noise <32DB, low noise operation unnoticeable, low decibel similar to the sound of falling leaves. Will not disturb your work and study. 4. WIDER RANGE OF SCENT DIFFUSION: Wall plug in aroma diffuser supports 360° dead angle scent surround, covering an area of about 100m³, wider range of scent diffusion. 5. PHOTOSENSITIVE FUNCTION: Plug in essential oil diffuser has a light sensing night light, which will automatically light up in case of low light. Multifunctional use, not only a diffuser or night light. Specification: Item Type: Plug in Fragrance Diffuser Material: ABS Product Size: Approx. 66x130x190mm / 2.6x5.1x7.5in(After Installing The Plug) Gross Weight: 466g/16.4oz Essential Oil Bottle Capacity (without Liquid Delivery): 100ml Voltage: 100‑240V Power: 1.5W Color: White Operation Mode: Button Key, Bluetooth APP Remote Control Installation: Flat Applicable Range: 100m³ Occasion : Hotel, Family, Physical Therapy Tube, Hot Spring Resort, Sauna, SPA, KTV, Leisure Clubs Bluetooth Operating Instructions: Home page Scan the code of your cell phone to download and install ''Scent Tech'', start the APP, complete the beginner's guide, select the Bluetooth mode to enter the home page, at this time, the available devices column displays the available Bluetooth devices within the Bluetooth range that have been connected to the power supply, click to select the available devices to enter the status page. Tip: It is recommended to allow the APP permission configuration, including location service, connecting to Bluetooth and sending notification. Status Page Status Window: Displays the current working mode parameters and status, including time, day of the week, Bluetooth connection status (grayed out when Bluetooth is not connected), and so on. Running status: The phone can turn on or off the device running with one click. Working Mode: Display the current running working mode. Device Address: Get the network location address after the device configures the network successfully. Tap More in the upper right corner: rename the device. Mode Setting Click the working mode column to enter the mode setting, you can set 5 groups of working modes, and click any mode column to customize the setting of weekday, time period of timer on off, and gear setting. Day of the week: customize the weekly working day. Time period number: customize the time period to be scented. Note: Can not be set across the day (the end time can not be less than the start time), such as the need to set across the 00:00 work, respectively, set the two ends of the continuous time period can be, such as the need to set 23:00-02:00 work, respectively, set to 23:00-23:59, 00:00-02:00 can be set to two groups. Gear setting: you can adjust the concentration of space fragrance (by controlling the frequency of spraying fragrance).. Package List: 1 x Plug in Fragrance Diffuser1 x Instruction Manual1 x Plug Note: All data are measured manually, and there are certain errors in the measurement results.