Turns lights on at dusk, off at dawn. For lamp posts and light fixtures. Fit post hole opening of 3/4 inches. Highlights: Dusk to dawn; Wire-in. Outdoor lamp post eye light control highlights: Work with Incandescent, CFL and LED bulbs; heavy duty thermal bi-metal switch; Small mounting post fits most locations; Polycarbonate (PC) plastic. Specifications: 120VAC, 60 Hz; 15A 1800W Max tungsten; 9.1 A 1100 VA max ballast; Suitable for use with Led, Inc, CFL. Led compatible. Outdoor. Contains 1 - 758CT. Limited Warranty: Under normal use and conditions. AmerTac provides to the original purchaser of this product a one year limited express warranty that is set forth in the limited Warranty stated in full at www.amertac.com/warranties. The limited Warranty is in lieu of all other express or implied warranties or liabilities subject to the exceptions explained fully in the limited warranty on the website. UL - Listed. www.amertac.com. www.amertac.com/warranties. Made in China.