Features 1、Multi Functions: Set working time period, system time, operating time period, concentration, and low battery display. 2、Automatic Fragrance Machine: Intelligent fragrance expander, always fragrant, as if immersed in a sea of flowers. Fluid atomization, four stage timing, rapid diffusion. 3、Reliable Performance: Large range fragrance expansion, four stage timing, bass operation, fluid atomization, two power supply methods, power outage memory. 4、Long Fragrance Retention: Two fluid fine atomization, exposure to flowers, quickly atomize oil molecules into fragrance molecules, intermittent spray, with a wider range of fragrance extension and longer fragrance retention. 5、Punch Free Wall Hanging and Seat Type: Easy to install, unrestricted to move, suitable for use in various places, reinforced back hanging to prevent falling. 6、One Button Replacement of Oil: Large button on the top, 90 degree door opening design, choose your favorite fragrance, and easily apply oil. 7、Expand Fragrance and Dispel Odors: Not only does it expand fragrance, but it can also dispel odors. The oil is nano atomized, and the fragrance spreads evenly. Coupled with natural plant extractoil, it efficiently decomposes odors and emits fragrance. 8、&lt;35dB Low Noise Atomization: Pressure reduction without disturbing, without disturbing your work or rest, breathing naturally and fragrant can effectively relax your body and mind. 9、Intelligent Power Off Memory; Worry free settings, built in storage chip, one time setting, permanent saving, and fragrance expansion settings are not troublesome, saving worry and effort from now on. 10、Good Features: Fashionable checkered pattern, PP anti drop material nad checkered pattern. Intelligent digital display panel, four stage timing, concentration can be adjusted at will, Battery and type c power supply, suitable for fragrance spraying in different environments. Specifications Item Type: Aromatherapy Machine Product Material: PP Weight: Approx. 559.00g / 19.7oz Working Temperature: 5°C-50°C / 41°F-122°F Noise: <35dB Oil Capacity (Bottle): 140ML (Liquid Not Included) Oil Consumption: 0.7ml/h Coverage: Approx. 30-200m³ / 1059-7063ft³ Size: Approx. 17.8x13.3x6cm / 7.0x5.2x2.4in Wall Hanging Hole Spacing: Approx. 7cm / 2.8in Battery: D Battery x 3 (Shipped Without Battery) USB Power Port: DC 5V Type C Power Supply: Battery or USB (Battery and USB Cable Not Included) Placement: Wall Mounted or Desktop Set up work segments: This device allows for four operating periods and can set working days based on multiple selections. (MODE): Work cycle selection, four working hours timing, cycle on/off function, as follows: (Note: The set time and end time must be greater than the start time for the setting to be effective.) SET: Enter the device state. Settings such as time, week, etc. UP: Fine tune upwards. Adjustable time data, fragrance data, and work date selection. DOWN: Fine tune down. Adjustable time data, fragrance data, and work date selection. (Press and hold this key for 5 seconds to restore all parameters to their factory settings.) Note: Do not cross time Set system time: Adjust the device time so that it matches the current time, and the system time is on a 24-hour system. The first time you press the SET key, the hour number of the time period flashes, and press UP/DOWN to adjust the hour. Press the SET key a second time and the hour setting is complete. Flash the minute number, set the minute, and press UP/DOWN to adjust the hour; Press the SET key for the third time, and the minute setting is complete. Flashing on the working day, set the working day, press UP/DOWN to adjust, press SET for the fourth time, and confirm that the system time has been set. Set concentration: After setting the fourth time period, continue to press MODE until CYCLE ON appears on the nixie tube. Set the machine working time for each fragrance cycle from 5 seconds to 15 seconds, and press UP/DOWN to adjust it for 1 second. Continue pressing MODE until CYCLE OFF appears on the nixie tube, set the machine stop time for each fragrance cycle from 90 seconds to 900 seconds, and press UP/DOWN to adjust for 5 seconds Set runtime: Press and hold the MODE key for 3 seconds, and the light on interface 1.2.34.5.6.7 will flash. Use the UP/DOWN key to switch and select the work cycle. After selecting, press the MODE key, and the interface will display a "1" prompt to enter the first timing setting. Press the SET key, and the interface will display the "00:00" clock with "00" flashing. At the same time, "TIMING ON" will light up. Press the UP/DOWN key to adjust the "hour" of the machine's startup time. After the adjustment is completed, press the SET key, and the interface will display the "00" of the minute flashing. Press the UP/DOWN key to adjust the "minute" of the machine's startup time. After the adjustment is completed, press the SET key. Set the shutdown time, and the interface will display "00" for the "00:00" clo