Main features 1) The main light LED of GLT-7C is CREE LED, the lighting degree is 15,000 lux in full lighting time (tested with 1 meter away from the lamp head) .The full charged GLT-7C will provide more than 16 hours continuous lighting. 2) The cap lamp is made from environmentally friendly Li-ion battery and other non hazardous materials. The cap lamp has received praise from many miners and major mining companies. 3) Contained in a sealed battery case, the product has a short-circuit protection, LED light head lamp and anti-static housing which makes it explosion proof, waterproof and dust-proof. The miner's lamp is ATEX Certified for use in explosive atmospheres such as coal mines. 4) 1.2 meter,1.4meter.1.6meter cable length all available. �· All our mining safety cap lamps lamps has one year warranty. We will keep free maintenance for you in one year. Usage Use scope: It is suitable for Coal mines, tunnel projects, night-power communication, railway constructions, public security, fire-fighting, steel, oilfield and other petrochemical enterprises. It is suitable for coal mine,mineral industry,tunnel projects,construction and maintenance for power,communication,highway,railway at night,night lamp for cutting off rubber plant and absorbing mucus and for lighting a flood,rescuing and marine use.