1. 40 hours long battery life, light and portable, three-speed practical dimming
2. USB charging port, power bank, computer, power supply can be charged
3. Built-in NTC temperature protection circuit module, real-time monitoring of battery temperature, to ensure safety during the charging process of the lamp
4. Use high-quality lamp beads, no video flicker, less blue light, and more eye-friendly
5. The lamp arm can be adjusted flexibly at 120 degrees, and the lamp can be used late at night without disturbing others
6. The color rendering index is as high as Ra90, which is close to natural light, and the color rendering is not distorted
7. Silicone foot pad, stable and non-slip
8. Color temperature: 3700K
9. Luminous flux: 200 lumens
10. Rated input: 5V 1A
11. Rated power: 5W (40*0.07W/LED module)
12. Battery capacity: 1800mah
13. Life time: 4H, 8H, 40H
14. Size: 300x300x50mm
15. Weight: 0.45kg