Innovative shape design, 360 degrees fresh air more in p, es people feel happy to eliminate the smell of the car, the camera design can be stored in the caravan cups on the car holder, more secure.Feature:1. Material: ABS + PC2. Product Size: 7.3 * 11C. Color: black, , gray4. Input voltage: 12V / 24V5. Operating voltage / current: mode 12V / 300mA; USB output mode 5V / 3.1A (max)6. Output voltage: USB DC5VHow to use:1. counterclockwise optional open to open the cla, the built-in suction cotton exct2. Put your favorite eential oil vertically on the absorbent cotton until it can not be absorbed3. Put the sucking eential oil into the seat4. Align the top cover with the of the mouth of the two card position, clockwise tightening5. Insert the DC drive plug into the vehicle arette and the indicator light is on6. Insert the DC into the host DC and the electronic display shows the instantaneous input voltage7. Hand to the seat cover on slide open, the actual outlet leakage8. Pre the host switch, you can enter the mode9. When you do not use the function, pre the switch, e it close, and then slide bato the seat cover on, close the outlet can bePackage Content:1 X Diffuser1 X DC Car Charger Plug2 X Sponge (spare parts)1 X User Manual