Read more Full Spectrum This grow light contains 3 supplemental light modes: 1. Warm (3000k), similar to sunlight, provides light for the natural environment of plants; 2. Purple + warm: promotes photosynthesis, rooting, germination, flowering and fruiting; 3. Purple + white (380nm-780nm), provides a universal full spectrum that can meet the different stages of all plant growth. Auto On/Off Timer The grow light features three cycle timers that will stay on for 3/6/12 hours and then turn off for 21/18/12 hours. 5 dimmable levels The plant light can provide 20% to 100% brightness adjustment levels. Scientific heat dissipation design, the lamp beads will not overheat, and the lamp life can reach more than 50,000 hours. Read more Adjust the grow light to the right height Pull the telescopic rod up and down to adjust to the appropriate plant growth light height to ensure adequate light for plants Easy to insert into the soil and remain stable Sharp rod head is easy to insert into the soil and remains stable for a long time Turn on the light Turn on the light and set the brightness, timing and supplemental light modes Read more