The power support of LED medical headlight is rechargeable Li-ion polymer battery. Our LED headlight can provide perfect white cold beam and have perfect effect on local lightening. Doctors can adjust spot size and brightness easily. High power battery can use more than 5 hours, when you use headlight, the battery can put into your pocket or clip on your belt. Specially mentioned:each headlight can suit for surgical loupes LED medical headlight widely used in micrographic surgery, plastic surgery, spinal surgery, gynecology and anorectic surgery.etc.