plant germination, growth, flowering, and results in the entire process of light energy needs. Features: [Full Spectrum Grow Light]LED grow light with Blue Red light bulbs providing similar to sunlight more highly uniform light for plants. [4/8/12H Timer 5 Dimmable Levels]Has 5 adjustable brightness to suit various stages of plant growth, 3 timer setting options, the lamp auto turn off according to plant needs. [Easy to Install]The anti-slip clip makes this growing lamp easy to assemble and stay firmly in place. 360Flexible goosenecks allow you to adjust any direction or lighting area. [High Efficiency]The plant growing light provides a b and uniform intensity of light to plants. This Grow lamp has a larger lighting area. [Wide Application]LED plant grow lamp can be used for both hydroponics and indoor plants in soil, in the greenhouse, garden, vertical farm, grow tent, or grow room. Specifications: Lamp Types(Optional): Single Lamp(Type 1); Double Lamp(Type 2); Three Lamp(Type 3); Four lamp(Type 4) Material: Aluminum, PC Power Supply: USB Wavelength: RED:620-630nm, Blue:460-470nm Function: 5 Dimming levels, 3 light modes Timing switch: three periods (4H, 8H, 12H), 24 hours cycle timing Switching Sequence: single head - double head - three head Waterproof: IP66 Occasion: Home, Garden, Greenhouse Cable Length: 140cm / 4.59ft Package Size: 18*13*11cm/7.08*5.11*4.33inch(Type 1 2 3);19*13*13cm/7.48*5.11*5.11inch(Type 4) Package Weight: 349g/0.76lb(Type 1);491g/1.08lb(Type 2);634g/1.39lb(Type 3);790g/1.74lb(Type 4) Package List: 1 * LED Grow Light 1 * User Manual Note: 1. It is recommended to use a 5V/3A adapter (shipped without adapter) 2. The installation distance is less than 20CM from the plant, and the irradiation width is about 20CM