Well-being desk lamp WL-100 is LED full spectrum Desk light. It provides not only full spectrum light but also high intensity negative ion and Far infrared ray. It can be transformed either desk lamp or therapeutic purposes lamp mode. Outline Dimension 200 W x 115 L x 170 H (mm) Weight 1.3 (Kg) Operating Temperature -20 ~ 60 (Celsius) Input Voltage AC110/ 220 (12V Adaptor) Power consumption 10.2 W CRI 94 CCT 5500K Lumen 469 Lux at 100 Cm 250 ~ 1650 (Dimmer).