1.The intelligent ashtray is not just an ashtray: it can absorb smoke and odor. It helps to remove second-hand smoke and pollution particles from the air, creating clean and pure air for your home. 2.The ashtray of the air purifier is equipped with a negative ion purification filter to absorb smoke and odor, filter dust in the air, and then release negative ions and air. 3.The ashtray tray is specially designed with four small grooves for fixing butts. It is easy to carry and can be used for family, business and business travel. 4. supply and easy to use: our ashtray requires 2 AA batteries, which can work about 40 times, no need to charge. Suitable for use anywhere including bedroom, office (batteries not included). size: 13cm Material: ABS colour: grey Package Contents: 1 x Electronic Smokeless Ashtray(Without 2X AA battery) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.