... lithium battery 3.ExdII CT6. Oil&mining led torch explosion-proof led torch1.100000 hours lifespan. 6hours contimuous ... source with high quanlity and efficiency and ultra-high brightness.*Strong light, weak light and flashlight can be switched.* ... used in lightings of maintenance, emergency rescues, underwater work.and patrol lighting around petrochemical, electricity, metallurgy, public security, ...