... temperature: 6,000K Dental Surgical Portable LED HeadlightItem No. YHL-B Advantage:Using the rechargeable lithium battery, with light weight, longevity ... , it is suitable for all kinds of surgical operations. YHL-B Portable LED Headlight Mainly technical specification:1 High intensity > 12 ... 2012 Galilean New Design Dental Surgical Portable LED Headlight YHL-B 200--600mm Working Distance