Multi-Function Smokeles-s AshtrayAs a ashtray for home, it has 4 small recesses to hold cigarettes. The bottom has a filter sponge can filter most of the gas, just put a piece of aromatherapy tablets inside, it can be used as an aromatherapy machine. High Quality Flame Retardant MaterialPurifier ashtrays for cigarettes indoor lining using high temperature resistant flame retardant materials, eliminating safety hazards, extending the life of the product, more durable. Simple Power Supply & Easy to UseOur ashtray need 2 AA batteries can work about 40 times, no need to charge. Suitable for use anywhere including bedrooms, offices (product does not include batteries). Easy to CleanThe split design makes cleaning more convenient. When the liner is covered with soot, simply remove the liner and wash with water. The built-in filter sponge can also be cleaned and replaced (requires drying). Timing FunctionEach run time of 5 minutes 20 seconds, this time has been able to meet most people's habits, and do not worry about forgetting to turn off and waste electricity.