Specifications: Color of the light: White. Type: KL2.8Lm . KL2.8Lm LED mining light (headlamp) is a new type of environmental-friendly lamp, which is adopted the most advanced 3W LED and lithium batteries. KL2.8Lm miner's lamp got flameproof certificate ratified by national coal mining machinery quality supervision and testing center. Composition of the model and their meanings: K-(mining safety lamp), l- (li-ion capacity battery), 2.8-(rated capacity) , l-(LED lights source) , m-(maintenance free). Technical parameter 1. Rated voltage: 3.7V 2. Rated capacity: 2.8Ah 3. Rate of work: 3w 4. Charger input: ac110-250v Output: DC5v,1000ma 5. Charging time: 8-10 hours 6. Lighting time: About 12 hours 7. Illuminance . Main light: 15000LUX. Auxiliary light: 2000LUX. 8. Battery life: >500 cycle times 9. Ambient temperature: -15-40 C . Package included: 1 x kl2.8Lm mining headlamp 1 x charger 1 x car charger.