In-wall 24-hour mechanical timer. Can be set for 1 hour to 24 hours. This compact wall switch timer can be used to replace standard wall switches. It includes manual on/off override. 24-hour repeating cycle turns devices on and off at the same time daily. Programmable in 20-minute time intervals providing up to 72 setting options in a 24-hour period. Easy to operate slide switch, with 1-touch easy setting. Compatible with CFL (compact fluorescent), LED (light emitting diode), and incandescent light bulbs. WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. -