1. Auto Mode: On and off by need or adjust by yourself.

2. Set from 8 to 17 after factory, stop, one time per 10mins,also can adjust by  yourself.

3. Interval: Adjust setting by 1-99 mins.

4. two normal "AA" Alkaline batteries can work over 1 year.

5. Environment-friendly,recycle, and chemistry-resistant "PP"materials.
  
6. View Screen will remind of changing battery and refill.