LED desk lamp. Features: * adjustable light intensity * flexible frame * attachment to clip Specifications: Rated power: max. 3.5W Luminous flux rated: max 160 lm (56, 106, 160 lm) Color temperature: 5500K cool white Charger voltage: AC100-240V 50 / 60Hz Lamp power: DC5V / 5A Lighting angle: 110 ° Operating temperature : -20- + 40 ° C Power factor:> 0.4 LED type and quantity: 14PCS SMD5050 CRI:> 80 Ra Start time: <0.1 S 60% of luminous flux: <0.5 s 95% of luminous flux: <2 s Lifetime: 50,000 hours. Lifetime of the assigned lamp: 50,000 hours. Number of cycles enabled / disabled: 100,000 IP: IP20 Dimensions: 145 * 145 * 330mm Luminous flux retention factor at the end of the nominal retention period:> 0.7 Lamp no.