[Battery Backup] Equipped with a built-in large capacity battery, this timer can save your scheduled settings in the event of a power outage. [Countdown Function] The function counts down Timer allows you to set a countdown of up to 24 hours to automatically turn off the connected device. [Programmable Timer] This timer allows you to program 16 on\/off settings per day, with 15 combinations to cover a week. Ideal for automatically turning various devices on and off at preset times. [Easy to install] 35mm DIN rail mounting design makes it easy to install and use. Ideal for home use, suitable for controlling street lights, neon lights, water heaters, etc. [Intuitive LCD Display] Digital LCD display and LED indicators provide clear and intuitive readings , making it easy to use. Power supply: 24V DC Capacity: 30A 5000W Product size: 9.5*4.5 *7cm Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please note. refer to actual item received.