[Product Timing]: It can be set to 3 hours, 9 hours, and 12 hours. Press once for 3 hours, press again for 9 hours, and press the third time for 12 hours. After setting the hours, the timer switches on and off every day (for example, if the timer is set to 9 hours, it will turn on at 8 o'clock on the same day, turn off after 9 hours, and automatically turn on at 8 o'clock the next day. It will cycle every day without power failure, and does not need to be set every day) [Access Voltage]: 12V [Power] 4 pin 18.6W 3 pin 14.5 2 pin 10W 5.5W per head [Product dimming]: 10 stage cycle dimming, brightness: 10 levels, (10% 100%) Single single package size: 36*7.5*5.5 Single weight: 280g Outer box size: 58.8*47.8*38CM 40 per boxWeight: 12.4KG per box