Features: Microcomputer chip, LCD display, accurate timing, simple operation, high accuracy, industrial grade, strong anti interference chip. Large LCD display setting and operation prompt function. Built in rechargeable battery, no need to reset the program (when the power is off, and save the setting memory for 60 days when the power is off.Not for power control of machines.) Optimized structure of copper sheet, longer life, mode function, switching state switch at any time. Small, multi functional, light and compact are easier to install. Specification: Voltage: DC 12V Display device: LCD Power consumption: <1W Working temperature: 20℃~ + 55℃ Working voltage: 220v 240/50 60hz Customized voltage: 12V/ 50 60hz DC Control output: 16A (direct), can also be used for expansion control Set times: 17 switches (day/week) Set time: 1 minute to 168 hours Travel time error: 1s/24h Memory of power failure: 180 days (built in 1.2v rechargeable battery) Installation method: screw connection Product applications: advertising light boxes, broadcasting equipment and other electrical appliances Size: Approx. 60 x 60 x 32mm/2.4 x 2.4 x 1.3in Weight: Approx.79g/2.8oz Package list: 1 x CN101A Time switch Note: Iron sheet structure is shipped randomly, and make sure you will not mind before ordering.