Small Halo Angel Ring Grow Lights for Small Indoor Plants, LED Plant Light Full Spectrum, Height Adjustable Plant Growing Lamps with 5V Intelligent USB, 8/12/16H Timer, 5 Dimmable Levels (4 Ring) 1.Unique Halo DesignThis set of 4 plant lights has been carefully designed to be more relevant to a small area of plant growth, helping them grow better and faster. They are not only plant lights, but also stylish decorations for any space. With high quality LED integrated chips, they feature high luminous efficiency, high PPFD, low heat and longer lifespan. 2.Auto On/Off & Timing FunctionThe plant grow light comes with a cycle memory timer function, which can Auto turn on/off every day according to your settings: 8/12/16 hours, the grow light will Auto turn on and off at the same time the next day, no manual operation is required, you can take care of your plants when you on work or vacation. 3.5 Dimmable Level & Full SpectrumLED grow lights has 5 levels of brightness that can meet the needs of your plant when it is at different growth stages. It emits all wavelengths from 380nm to 800nm, full spectrum warm white light simulating sunlight, high efficiency LED diodes and higher PAR outpu 4.Easy to Install & Height AdjustableThis indoor grow light comes with 4 tubes (each measuring 9.84"), simply insert it into a potted plant, adjust the height, and turn on to use. The lighting section is height adjustable to accommodate different plants and provide the right amount of light intensity for each plant. 5.Multi-use & Convenient USBCan be used on a variety of flowers, vegetables, fruits and succulents. Helps promote germination and flowering of plants, ripening and sweetness of fruits and vegetables, and healthy long-term growth of succulents. 5V USB input, allowing for easy and portable use with laptop and mobile power links. MaterialPolyimide Power SourceCorded Electric Light SourceLED Light Color: sunlight,red blue light Package includes: 1 x 4 Ring Grow Lights 4 x Acrylic rod 1 x Instruction manual