Ability to control CFL and LED, this In-Wall Timer can handle all of your lighting configurations and scheduling needs. Up to 14 ON/OFF events per week. Random setting turns light ON and OFF at slightly different times each day. Auto Daylight Saving Time adjustment. Incandescent/Fluorescent/CFL/LED compatible. Astronomic feature auto adjusts to sunrise/sunset. Can be used for 24-hour or 7-day load control of lights, fans, pumps and other medium-duty loads. Built-in rechargeable Lithium ion battery backup. Single-pole or 3-way compatible.