The desk lamp is equipped with a 1200mAh internal battery that provides approximately 2.5 - 3 hours of light using the maximum brightness level when fully charged. Its compact size makes this lamp suitable for use anywhere you require. The mini desklamp provides 3 color temperatures – warm white (3000K) / cool white (5000K) / day light (6500K) and adjustable brightness that you can adjust to the suitable brightness for different purposes. The light source is soft and not stroboscopic which can protect your vision and avoid optical damage.