Features: Easy to insert into car cigarette lighter No chemicals or reagents are used. Silent design, no motor is used. Plug it into the cigarette lighter. It starts working automatically after booting. Inhibits bacterial growth Removes odors in the car Applies to all cigarette lighter standard lights Blue LED lights p> Color: Black Dimensions: 8.5 x 2 x 2 cm Input: + 12v Notes : Do not disassemble the product, the internal high-voltage circuit, do not plug or unplug the product. Do not put small pieces of metal in it to avoid malfunction. Unplug the power supply when not in use, the battery voltage is too high to avoid damage to the machine. Do not use acidic or alkaline cleaners for cosmetic cleaning. After the power is cut off, open the doors and windows to stop using, thus prolonging the service life. When getting out of the vehicle, unplug the cigarette lighter from the outlet. Package includes: 1x Auto Oxygen Bar Cart (retail packaging not included) Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!