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 24-hour countdown to OFF. 4. LCD digital display with LED indicator for clear and intuitive reading. 5. 16 ON/OFF programs per day, with up to 15 combinations set for a week. 6. Supports 24 hours/7 days a week programmable operation. 7. Built-in CR2450 battery provides memory backup to retain settings during power failure. 8. Repeat programs with 16 on/off settings; manual ON/OFF control available. Specifications 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: Not specified