Smart chip technology controls functions and timer.Shows real Time and Date on the LCD dashboard of the air freshener. Easy to install, easy to use, can stand on the table, or can be hung on the wall to improve the unpleasant smell. Pure and fragrant, can filter the unpleasant odor. Suits for hotel, home, toilet. Features - Color: Black. - Material: ABS. - Size: About 8.5x8.5x23.8cm. - According to the space, you can adjust any interval spray time from 1 to 60 minutes.Also can set working hours according to your will. - Pure and fragrant, can filter the unpleasant odor. - Sleek, compact high-performance aerosol system. - Quiet operation, comfortable for sleep. - Designed of button switch, which is more convenient to use.