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Product model: TD- 619S-CD (plug-in model) Function features: timing function, stepless dimming, quick reading mode, three-color temperature adjustment, with USB output, double folding, upper 180 degrees, with mobile phone holder function. National A-level illumination. < /p> Switch type: touch Key touch switch product light source: LED (5730*30*0.5W/LED) Product material: ABS Product color: white Packaging: Color box Rated power: 5W Rated voltage: 5V/1A Certificate: Quality Inspection Report Light flux (lm): 390ML Color rendering index: >80 Product color temperature: 3000/4000/6000K ((three colors adjustable) Product weight: 625g Product size: 171*125*339mm Packaging size: 350*155*77mm Packing quantity: 20PCS Carton size: 53.5*36.5*32cm Gross weight of the whole box: 12.9KG Net weight of the whole box: 12.1KG Packaging list: 1*LED desk lamp 1*USB cable 1*User manual 1*Certificate