Using XM-L T6 lamp tube, the maximum brightness is 1000LM, and the irradiation distance is 200-500m Internal wiring provides constant current output and wide operating range to maximize battery utilization. Five modes with one button: strong light, medium light, low light, strobe, SOS light for your choice. Zoom in and out Aluminum alloy shell and anti-slip design, more comfortable to handle -Widely used in outdoor activities such as mountaineering, camping, hiking, forest exploration, or for repairing or finding small items in the home. About 18650 battery BRC 18650 3.7V 6800mAh rechargeable protected Li-ion battery overheat and overcurrent protection Short circuit protection and environmental protection Widely used in portable devices such as flashlights, laser pointers, and emergency lighting equipment