2 Colors and 5 Level DimmableThere are 2 color modes, red and blue light, infinite close to natural light, best for plants at all growing stages. The plant grow light also comes with 5-level brightness can be adjust according to your plants needs. Timer FunctionThe indoor grow light offers the circular memory timer function with 3 options-4h or 8h or 12h. When keeping power, it can automatically turn on and off every day according your settings, no more manual operation for you. 360 Flexible Neck The plant grow light has a 360-degree flexible goose neck, making it easier for you to adjust the angle between the plant lamp and indoor plant. You can freely adjust the angle of each light as needed. Clip DesignThe anti-slip clip it allows you to place the plant light in any direction to provide the best lighting angle for your plants coverage around the plants. Clip is sturdy enough to hold their position and easily to be clipped anywhere. Wide ApplicationOur LED grow lights are suitable for balcony, greenhouse, darkroom, office and so on, widely applied to the culture solution, gardening, potted plants, especially if the house plant needs extra light when its raining, snowing, etc. Specification: Product name: LED Grow Light Material: PC and aluminum Luminous color: red or blue or redandblue Head: 1 or 2 or 3 or 4 (optional) Lamp size: 19 x 255mm or 0.75 x 10 in Hose size: 300mm or 11.8 in Power supply: USB power supply Lamp beads: 18 or 36 or 54 or 72LED Timer: 4 or 8 or 12h Waterproof: IP66 Application: balcony, greenhouse, darkroom, office and so on.