Weekly Programmable Schedule:22 ON/OFF program settings for flexible control of lighting and equipment. Built-in Lithium Battery:Maintains time and settings during power outages with a built-in battery. 5 30|12v Switch|Astronomical Functionality:Follows sunrise/sunset for precise ON/OFF times, ideal for high areas. DIN Rail Mounting:Easy installation with DIN rail mounting for a secure and organized setup. High Ambient Temperature Resistance:Operates reliably in temperatures up to 80C, suitable for diverse environments. Application: For energy saving Overload and short circuit protection Used in residential building and office building Colour:White Material:plastic The actual product may have slight color difference or difference, which not affect the use Package Contents: 1 x Astronomical Control Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.