They own Europe Coal Mine Explosion-proof Certificate -ATEX. Main light adopt LED, has a high brightness and long life span. The switch of headlamp adopts light-touch electronic switch, good seal and easy to use. With the microprocessor control chip inside, it has multi-function for self-protection, intelligent managing the process of charging and discharging, and can be charged by all kinds of chargers. It has Li-ion battery pack, which has no memory, free of maintenance, environment protection, safe and reliable. The product is widely used for lighting in the environment where flammable and explosive gases exist. Specifications: ItemKL1.2ExKL4ExKL6Ex Battery styleLi-ion Rated capacity1.2Ah4Ah6Ah Rated voltage3.7V Lighting time=11h=15h=16h Main light sourceWorking current0.12A0.22A0.28 A Max luminance (1m away from the lamp)When lighting begins>2200lx>4300lx>5000lx After lighting for 11h>2000lx>4300lx>5000lx Sub-light source rated power0.2W Life of cap lamp2 years Charging Voltage(6-8)V Charging time=8h=8h=10h Explosion protectionEx ia I Ma Protection gradeIP65IP54IP54 Dimensions of battery case67x82x73 mm105×29×120 mm105×29×120 mm Weight0.2kg0.65kg0.65kg