BenQ MindDuo 2 Study Lamp (White) - Illuminance?: Center Illuminance 1400lux (Height 45cm) - Materials?: Aluminum alloy, Polycarbonate - Power Input?: 100-240V, 50/60Hz - Power Output: USB DC 5V/0.8A - Features: Concealed Light Source, Japanese JIS AA Standard, Dual Smart Dimming Mode, Presence Detection, 30-Minute Break Reminder, Complies with RG0 Standard for Blue Light, Passed IEEE 1789 Flicker Standard, High CRI Ra>95 - 9H.W4HWT.PS8