Features: The lamp supports stepless brightness adjustment to meet all your lighting demands at any brightness condition. LEDs lighting, no flickering & no glare, low heat, energy saving and environmental protection. Built-in large capacity lithium cell, rechageable for longterm use. Perfect for office, study room, bedroom, reading room and so on. Square base, anti-skid design, thick and stable. Specifications: Color: Black, White(optional) Material: acrylic, ABS, aluminum alloy Product style: minimalist Battery capacity: 2000 mAh, 4000 mAh (optional) Control mode: touch (single touch to adjust the color of the light, long press touch for infinitely adjustable light brightness) Product power: 3W Light color: neutral light, white light, warm light Working time: 6 hours (2000 mAh), 12 hours (4000 mAh) Waterproof:IP44 Charging method: USB charging Product size: 35*9.5*10.5CM Package size: 38 * 14 * 14CM Product weight: 580g (2000 mAh), 780g (4000 mAh) Package List: 1 * Lamp 1 * Charging Cable