Usage Tips:【12V Programmable Timer】Our product not only adds a set of connection terminal blocks, you don't have to purchase external terminals or soldering wiring when installing, but also adds a waterproof housing, waterproof todust and water.It can be installed even outdoors.More convenient and easy for your life and use.【Multiple Intelligent Control】 This Digital Programmable Socket can define up to 16 switching programs.Each program can be configured to run 1 to 16 cycles per day or per week or on the same day.The time range for each program is between 1 minute and 168 hours. You can turn your device on and off regularly to keep it running and extend its life.(Set the time to local time before use).【Data Storage Function】Built-in lithium battery, with power-off memory function.Data can be saved for 60 days even after a power outage, without resetting the fixed switching program.【Automatic Time Correction】Automatic time correction ±60 seconds, change the AC power once a week (press MANUAL key after setting up the program and check if AUTO mode is on).【Wide Use】It is suitable for timing control of electric lights, advertising lights, electrical boxes, drain pumps, water heaters, battery chargers, etc.