Cycle On/Off Timing Function: the Lights will turn off automatically after setting time and will AUTOMATICALLY TURN BACK ON the next day, so you dont need to bother to turn it on again everyday, the work time will be the same as your previous setting time. It has 3 Options of timing setting, you can choose 3hrs/9hrs/12hrs according to your plan. .Widly Application: ---The Plant Grow Light is a new version for indoor hydroponics greenhouse garden home and office plant seedlings, mini Aquarium plants growth, the combination of Red and Blue lights help plants chlorophyll synthesis to absorb more energy for better germination and enhance photosynthesis, germination, flowering and results .360 DEGREE FLEXIBLE ADJUSTABLE: Neck and clamp is easy to adjust and place anywhere. The Wide linear light design let it can cover a larger area and provide energy for more plants. .5 adjustable modes and 3 switch modes - it has five dimmable modes for different plant growth stages. You can turn the lights off or on to meet the needs of the plant. .45-Day Money Back Guarantee 1 Years warranty or Replacement. Shopping Worry-Free. .