Each LED plant light strip has an end-to-end connection, you can freely connect 1-3 light tubes with extension cables according to your needs.Supports up to 4 end-to-end connections of light strips to fully meet the lighting needs of large areas. This USB plug-in seedling light with 1/2 extension cables (1m each) can be extended to a maximum of 4 chains.The plant growth lamp poles come with screws, lashing tape and double-sided tape.The compact design fits various devices and surfaces.The assembly and disassembly of this light is easy and saves space.You can make it in any corner of the house where there are plants. This full spectrum LED grow light only uses around 12 watts of power, which is equivalent to a 60W halogen bulb. The growing light has 3 time settings that allow you to keep the light on for 4/8/12 hours.In addition, when further plugged in, it will automatically turn on/off and no longer operate manually every day, which is very useful and convenient when you go to work or travel during the day. USB with 3 strips of 90 LEDs, each strip combined with 20 red LEDs and 10 blue LEDs, provides a full spectrum to promote indoor plant growth.Whether in an indoor garden or greenhouse, plant lights ensure healthy and thriving plants.Ideal for all types of small houseplants at all stages of growth.