Warning of ashtray / Ashtray

This is a ashtray that can help individuals who want to stop smoking quit smoking. The contact surface of the cigarette is a heat sensitive material, which can record the number of cigarette we smoke. And we can set the amount of cigarette we smoke per day, according to this amount we set, the middle of the lung icon will gradually become black in the wake of we smoke. Thus, it always warns people to smoke less.
Product theme：Humanstic Concern/Ingeious Method/Good health