SAD Therapy Light 3 Modes Seasonal Affective Disorder Phototherapy 6500K Simulating Natural Daylight US Plug Feature: Compared to the higher luminous intensity, unique shape and exquisite appearance. Specification: Working voltage: 110-240V/12V 1A DC Power / three modes control: first mode: 1.8W, second mode: 3.5W, third mode: 7.8W. Type of lamp: 2835 Illumination: one mode: 5600, second mode: 11000, third mode: 32000 Light color: white light Color temperature: 6500K Material: shell (ABS) + optical grade light guide +78 LED lamp. Ultraviolet radiation: no Put distance and duration of work: 50cm/4 hours Key cuticle: can't adjust Special functions: no Timing: no Battery: no Luminescent window size: 226*131mm Weight: 0.68kg/pc Product size: 277*162*18mm/10.9*6.37*0.7'' Packing size: 175*40*368mm/6.88*1.57*14.48'' Note: Luminous intensity is high, not suitable for those who are suitable, do not look at products. Please allow slight size differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand. Included: 1 x SAD Therapy Light 1 x 12V/1A Charger 1 x Stent (Constant Current, Constant Voltage)