This product adopts 12 pieces 3W LED bulbs as lght source. High brightness, linear adjustable, daylight color, long lifetime. Lamp holder and arm can rotate freely,multi-angle lighting. The center column has different lengths such as 800mm, 1000mm and 1200mm, which can be used for different heights of clinics. Its simple to install and easy to operate,no direction requirements. Parameter 1. Voltage: AC90~240V 50Hz~60Hz 2. Bulb power: LED 3W*12 3. Color temperature :4000~5000K 4. Bulb life: ≥ 50000h 5. Working distance: 700mm 6. Center illumination: ≥45000Lux 7. Minimum spot diameter: φ80±10mm 8. Substrate temperature: ≤55℃ 9. Lamp holder diameter: 200mm 10. Net weight: 10KG 11. Packing size: 970*420*180mm 12. Packing material: carton Application General Surgery, Gynecological Examination, Ophthalmology, Dental, Cosmetology and Pet medical