MULTI TIMER CHOICES - Always ON/OFF, countdown from 1-9 hours, ON at dusk OFF at dawn and On at dusk OFF after 1-9 hours, totally above 5 modes for you to choose, once set, it is daily repeat EASY TO PROGRAM- Only one button to achieve all programs (F=OFF/O=ON/d=ON at dusk,OFF at dawn/1,2,3... 9=ON at dusk, OFF after 1,2,3...9 hours//1. 2.3..... 9.=ON immediately and OFF after 1,2,3,...9 hours); It only could be adjusted by whole hour WATERPROOF- Waterproof material allow it to run even on rain or snowy days; the waterproof edge on the outlet could anti water when in use, to make sure no water splash into the outlets, please mount it in a vertical position and at least 2 ft above ground when in outdoor use FOR INDOOR/OUTDOOR USE- UL Listed, one year wanrranty provided, crafted from heavy-duty fireproof PPE material, 16 AWG SJTW cord, diminished hidden fire dangers to provide superior safety which is ideal for outdoor as well as indoor use GROUNDED OUTLETS- Ideal for controlling Christmas/Holiday lights, outdoor string light, and other garden decorative lights, 2 timers in package give another choice to control more devices in distance