LED desk lamp with touch control. The product has the ability to regulate the intensity of lighting. Characteristics: Rated power: 16.5W max Luminous flux rated: maximum 500 lm Color temperature: 5500K cold white Charger voltage: AC100-240V 50 / 60Hz Prada lamp: DC5V / 1A Lighting angle: 120 ° Operating temperature: - 20-40 ° C Power factor:> 0.4 Type and quantity of LEDs: 48PCS SMD2835 IRC:> 80 Ra Start time: <0.5 S 60% of the luminous flux value: <1 s 95% of the value luminous flux: <2 s Lifetime: 35,000 hours Nominal lamp life: 35,000 hours Number of on / off cycles: 15,000 Degree of protection IP: IP20 Dimensions: 110 * 58 * 490mm maintaining luminous flux at the end of the nominal durability period:> 0,