Features 1.LCD digital display, LED indicator, reading is more intuitive and clear. 2.16 ON or OFF programs per day, 15 combinations to a week. 3.Supports 24 hours or 7 days a week programmable. 4.With countdown function, maximum 24 hours countdown to OFF. 5.Large capacity built-in battery CR2450 for back-up the memory (save the programs you set) when power failure. 6.Repeat programs with 16 on or off settings, and setting on or off manually. 7.35mm DIN rail mounting, easy to operate, great for household use. Specification Condition: Item Type: Timer Switch Material: Plastic Functions: Clock display(12hr or 24hr format), Timer, Countdown Power Supply: 24V DC Capacity: 30A 5000W Timing Range: 1min-168hours Programs: 16 ON or OFF per day Power Consumption: <5VA Average Error: <2S or day Temperature Range: -10-50℃ Humidity: <95 percent Battery: CR2450 (Included) Application: Can automatically turn on and off various electrical equipment at preset time.It is widely used in street lamps, neon signs, lights, water heaters, air conditioners, billboards, rice cookers, superchargers, sprayers, bottlers, preheaters, agricultural facilities and broadcasting equipment. Package List 1 x Timer Switch 1 x Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.