uxcell 7 Days Digital Programmable Timer Socket Plug Wall Home Plug-in Switch Energy-Saving for Home Lights, Fish Tank Heater and All Household Appliances 7 Days Digital Programmable Timer Socket Plug Wall Switch LCD display for easy and clear reading. 8 Function Keys, 12/24 Hours Changeable.Time setting is including hour, minute and week. Large LCD display, easy to read and set.Perfect for Fish tank & garden Easy To Install & Program. 24 hours/ 7 days programming setting. Not suitable for fluorescent, low energy or discharge lamps Saves energy by automatically turning on and off lamps, Christmas tree lights, fans, and other electrical devices Switches easily between Standard time and Summer time (DST); interchangeable 12-hour or 24-hour format