LED Desk Lamp Study Lamp with USB Charging Port 3 Color Light Mode Eye-Caring Table Lamp Clock Desk Light Dimmable Lamp with Pen Holder and Alarm Clock for Working Office Reading

Features: Brightness Adjustment: Three color temperature light sources, 3500K-4000K-6000K. Button Control: Click the power button to switch. Long press for stepless dimming. Pen Holder: Pen holder design, easy to store, save more desktop space for you. Built-in Battery: 2000mAh battery capacity, no worry about its shortage electricity. Perpetual Calendar: You can see the time, calendar and temperature on the display. Alarm Clock: You can also set an alarm clock to make life easier and more convenient. 360 Degree Rotation: The lamp post can be adjustable, you can adjust angle as wish. Specifications: ShellColor: White Size: About 90x100x410 mm/3.54x3.94x18.14 inch(L*W*H) Shade Size: About 135x95 mm/5.31x3.74 inch(L*W) Lumen value: 250LM Color rendering index: > 80 ra Control mode: Button Input voltage: DC5V Type of light source: three color temperatures Light source adjustment: stepless dimming Product color temperature: 3500K-4000K-6000K Screen display: calendar, time, temperature, alarm clock Battery: 2000mAh rechargeable battery (built-in) Package Included: 1 xLED Desk Lamp 1 x USB Cable 1 x User Manual Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.