A small bicycle light, simple appearance, rich functions, gears have moonlight, low, medium, high, slow flash, flash, intelligent start and stop, the maximum endurance can reach 90 hours, 2A high current fast charging, but also support reverse charging of the phone. Independent optical system design, clear cut-off line, completely anti-glare, German gauge light spot. But also supports formal installation, hoisting, and headlights that integrate many functions.