【12V Programmable Timer】This product features integrated connection terminal blocks, eliminating the need for external terminals or soldering during installation. It includes a waterproof housing that protects against dust and water, allowing safe outdoor installation. Designed for convenience and ease of use. 【Multiple Intelligent Control】This digital programmable socket supports up to 16 switching programs. Each program can be set to run 1 to 16 cycles per day, per week, or on specific days. Time intervals range from 1 minute to 168 hours. Enables regular on/off control of connected devices to maintain performance and extend lifespan. (Set device to local time before use.) 【Data Storage Function】Equipped with a built-in lithium battery for power-off memory retention. Settings are preserved for up to 60 days during power outages, without requiring reprogramming. 【Automatic Time Correction】Features automatic time correction within ±60 seconds. AC power calibration occurs once a week. (After programming, press the MANUAL button to confirm AUTO mode is active.) 【Wide Use】Ideal for timing control of electric lights, advertising lights, electrical boxes, drain pumps, water heaters, battery chargers, and other electrical devices.