Features 1. Removable battery design, easy to replace and convenient for use. 2. 35mm DIN rail mounting, easy to install and suitable for household applications. 3. Countdown function with a maximum setting of 24 hours to turn off. 4. LCD digital display with LED indicator for clear and intuitive reading. 5. 16 ON/OFF programs per day, up to 15 combinations per week. 6. Supports 24 hours/7 days a week programmable operation. 7. Built-in CR2450 battery provides memory backup during power outages to retain programmed settings. 8. Repeat programs with 16 on/off settings; manual on/off control available. Specification Condition: Item Type: Timer Switch Material: Plastic Color: As shown in picture Functions: Clock display (12hr/24hr format) Timer Countdown Power Supply: 12V DC Capacity: 16A Timing Range: 1 minute to 168 hours Programs: 16 ON/OFF per day Power Consumption: Low power consumption