describe Arc de Triomphe High-power high-brightness portable lamp DC charging/large aperture lens/high power/super bright lamp beads/night scene lighting/super long distance Good waterproof performance: not afraid of sweat/heavy rain/blizzard, etc., to meet daily needs when exercising outdoors One-handed operation is simple, intelligent and multi-functional, adaptable to various environments Osram projection lamp beads: using strong light Osram lamp beads, the brightness is up to 800LM, strong light and long-range energy-saving lighting Built-in rigorous design, built-in large-capacity lithium battery, equipped with 18650 large-capacity lithium battery, long battery life, night lighting Intelligent DC fast charging, rear DC charging, rear direct charging DC interface, multi-functional fast charging, more convenient to use Light source: OSRAM high-power lamp beads