USB charging: USB rechargeable front light, built-in rechargeable lithium battery, equipped with battery indicator light, illuminating the road in the dark, absolutely the best USB bike light for cycling enthusiastsLighting mode: The headlights have 3 lighting modes, which can be controlled freely by buttons. ;Prismatic refractory light cup, anti-glare design, suitable for city mountain bikes for safe driving at night Wireless remote control: wireless remote control, more convenient operation, 120db buzzer, anti-theft warning setting, easy to operate, safe drivingSafe and waterproof: Fully sealed design, waterproof in daily life, can prevent rainwater from entering, adapt to various environments, and can ride normally in rainy or foggy daysCompact and multifunctional, It won't take up too much space on the handlebar