... ,000-30,000Lux 2 Continuous run-time > 5 hours Dental Surgical Portable LED Headlight Item No. YHL-AS Advantage:Using the ... easy to carry, it is suitable for all kinds of surgical operations. YHL-AS Portable LED Headlight Mainly technical specification:1 ... bulb:100,000 hours5 Color temperature: 6,000K6 All Ymarda loupes are optional:7 Charge voltage: AC:110V/220V; DC:3 ...