This lamp provides light for indoor plants, allowing them to fully photosynthesize and grow rapidly. Adjustable clip, flexible gooseneck and IP66 waterproof grade allow it to apply to anywhere. Note: USB cable can't be removed, it's linked with the clip. Specifications: Type: Single-Head, 15W/ 4-Head, 60W (Optional) Shell Color: Black Material: PC 43; Aluminum Spectrum: Red 43; Blue LED Quantity: 54 pcs Red 43; 24 pcs Blue (Single Head) Input: USB 5V CRI: xff1e;70 Waterproof Grade: IP66 Diameter: 9.8cm / 3.9in Gooseneck Length: 30cm / 11.8in Item Weight: 287g / 10.1oz (Single-Head), 718g / 25.3oz (4-Head) Package Size: 13 x 11 x 18cm / 5.1 x 4.3 x 7.1in (Single-Head), 13 x 13 x 19cm / 5.1 x 5.1 x 7.9in (4-Head) Package Weight: 349g / 12.3oz (Single-Head), 790g / 27.9oz (4-Head) Package List: 1 x LED Grow Light with Clip Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia