Name: air purifier ashtray Net weight: 229.2g Size: 13 * 13 * 7cm Rated voltage: 3V Timing: 5.2 minutes Power supply mode: 2 No. 5 batteries (the product does not include batteries and needs to be provided by itself) Material: flame retardant high temperature nylon + glass fiber In terms of endurance, the No. 5 battery commonly used in the market can be removed and replaced at any time. Two No. 5 batteries can work about 40 times for 5.2 minutes each time. Specifications: 1. 360 ° high suction, effectively filter harmful substances, reduce second-hand smoke, three-dimensional surrounding smoking, multiple purification and filtration, silent operation, more assured use. 2. Built in negative ion filter cotton can absorb tar, release negative ions, and replace the filter screen. 3. It is made of hard flame retardant material with stronger reassurance. It will not melt or deform in direct contact with cigarette butts; It only needs 2 No. 5 batteries to work, which is more convenient without charging. 4. Automatic timing and automatic shutdown in 5.2 minutes. Don't worry about wasting power or forgetting to shut down. 5. Exhaust hole at the lower part of the bottom side for annular exhaust. 6. One machine can be used for multiple purposes. It can be built with aromatherapy tablets and fragrance space. It is not only an ashtray but also an aromatherapy machine, which is more practical. Package Included: 1 * electronic ashtray (without battery) 1 * instructions in Chinese and English