... source of high-power LED is supplied power by Lithii battery; its main features include safe and reliable,volum small, ... ;2,The product is portable, composed of head light,cable ,storage battery. there are two groups of LED light source in the ... 20032, KL Type Mining Lamp: MT927-20043,KL4LM Type Mining Lamp:Q/DG.018-2007 Certificates1,Production Approval2, Explosion-proof Certificate of Conformity3 ...