sanjiangyoupin desk lamp hiqh quality LED Chips with milky cover, providing soft and comfortable light for reading. LED lights is non-shadow, flicker-free and uniform, which can protect your eyesight and reduce eye strain.Its strong clamp can open up to 6cm / 24 inch, wide enough for lots of bed, desk, table or bookrack.You can easily control 10 level brightness and three color temperature by pressing the control dimmer. What's more, it can remember your last brightness setting when you turn it on again.The portable light is USB charging, so it can be widely applied for different place, like laptop, socket with USB support, power bank for portable lighting, any adapter with USB. (Adapter is not included.) This clip lamp can clip on desks or notebooks. There is a protecction sponge to protect your desk from damage. This light can also serve as a night light for bedroom. You can use it anywhere near the bed as long as there is a place for clamp. Product information: 1. Total length of bracket: 50CM 2. LED fill light height: 50cm (outer diameter of hose 8.0, tube length 38CM) 3. Specifications: Lamp head 3.5 inches, outer diameter 9CM, wire length 2m. 4. Lamp beads: 48 LED beads, color temperature: 3000-6000k, color rendering index: 70, lumens 50-70LM, bright light 21-24LM 5.LED power: 5W 6. Input current and voltage: 5V, 2A (note that the voltage cannot be lower than 3.6V, otherwise the light will keep flashing) 7. Switch type: push switch 8. Three lighting modes and 10 brightness levels: The LED clip light has 3 color temperatures: warm light, warm white light and white light. Each lighting mode has 10 brightness dimming levels. There are 30 lighting modes in total 9. Memory function: Without unplugging the power, the color and brightness will be the same when the light is turned off, and the same color and brightness will be when the light is turned on. 10.Power supply: USB interface, 5V 【3 Color Modes and 10 Brightness Levels】 : The Clip on Desk Lamp provides you 3 color temperature(Warm White, Natural White and Cold White) and 10 brightness levels for each mode. Totally 30 Lighting choices to let you create the most comfortable and perfect lighting mood 【EYE PROTECTION & ECO FRIENDLY】 : Clamp on table light made of high quality LED chips offer non-ghosting and non-flickering light, the book light won't make eyes fatigued even staying in the light for a long time. Its soft light can protect your eyesight and reduce eye strain, suitable for reading, studying, webcam zoom. Only cost 20% energy as an incandescent lamp does in the same brightness. No lead or mercury, No UV or IR Radiation. 【360° Flexible Aluminum Neck Holder & Strong Clamp】: Aluminum high-strength and durable neck holder can be 360° adjustable to meet different lighting angle. Strong Aluminum Clamp can be used perfectly with music stands, pianos, office tables, computer,bed, desks and headboards 【Memory Function & USB Charging】: With memory function, sanjiangyoupin desk lamp can light up from last setting mode when you turn on again. Its 59 inch USB charging wire provide wide application and portable lighting choice. (Note: AC adapter is not included) 【MULTI USAGE & SERVICE】: Clip on ring light can be widely used in reading, working, studying, remote working, video conferencing, zoom calls, self broadcasting and so on. All of our products passed the strict quality test. Please do contact our seller support and we will respond by the earliest time if you receive any faulty or damaged desk lamp.