Feature: 1. This product is a phototherapy device that imitates sunlight, which completely simulates sunlight or even replaces sunlight. 2. It is suitable people who can not be exposed to sunlight a long time, and it can help the recovery of seasonal affective disorder and listlessness. 3. When the light of this phototherapy is irradiated, the pineal gland in the body is inhibited by the phototherapy, and it secretes less melatonin, which makes the brain more awake and maintains vitality. 4. When room is dark, this light can also be used to fill light, it has multiple use. 5. Excellent LED lamp beads, no flicker and anti-, no flicker and radiation, can keep your eyes away from fatigue. 6. Portable, lightweight and compact size, adjustable stand, can be placed vertically in any home or office. Specification: Condition:100% Brand New Item Type: Light Therapy Lamp Optional Type: with Remote Control, without Remote Control Size: Approx. 16.8 x 11.6cm/6.6 x 4.6in Battery Remote Control Type: 2 x AA batteries (not included ) Light : 5000-35000LX actual measurement Color Temperature: 3000-6500K arbitrary color switching, adjustable Timing Function: 15/30/45 minutes can be timed With 1 /4 thread, it can be connected with special tripod and bracket Interface Type: DC-USB, 5V power supply Instructions: 1. Remote control model: Connect the product to the power bank or computer with a cable, put the battery on the remote control, and press the on/off button to use. 2. Model without remote control: Connect the product to the power bank or computer with a cable and press the on/off button on the left side of the product to use it. Long press L1 or L2 to adjust the brightness, long press L3 to adjust the color temperature. Package List: 1 x Phototherapy Lamp 1 x Manual 1 x Charging Cable 1 x Remote Control or 1 x Phototherapy Lamp 1 x Manual 1 x Charging Cable