The phototherapy light is adjustable and stepless, which can meet your different using needs. The phototherapy light can help you solve the problem of work fatigue, insomnia and distraction, making you more refreshing and improving your sleep quality. Made of plastic and metal, the phototherapy light is eco-friendly and reliable to use. The length of the phototherapy light is 24cm, width is 5cm and height is 27cm. It is foldable, which is more convenient to carry it with you. The phototherapy light is suitable for being used in home, office, study and so on. Item Name: Phototherapy Light Material: Plastic, Metal Color: Rose Pink, Classic Black, Luxury Golden Color, Charm Silver Color Power: 16W Operating Voltage: 110-240V/20V0.9A DC Color Temperature: 3000K-4700K-6500K Adjustment Method: Five Gears, Stepless Brightness Adjustment Light Intensity: 2000-10000LUX Light Color: Yellow/Warm Yellow/White Placement Distance and Continuous Working Time: 15cm/4H Plug Type: US Plug, EU Plug, UK Plug, AU Plug(Optional) Features: Adjustable, Refreshed, Foldable Size Details: 24cm x 5cm x 27cm/9.45" x 1.97" x 10.63" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. If you feel uncomfortable for the high brightness when you use it for the first time, please stop using it. Please do not look at the product directly. Package Includes: 1 x Phototherapy Light 1 x Power Supply Adapter 1 x User Manual