Max 220 lumens / 20 hour runtime in Flash mode (Front) Max 10 lumens / 20 hour runtime in Flash mode (Rear) 400 mAh battery Highly disruptive Daytime Flash mode Integrated USB stick for cable-free recharging Clip-on or strap mounted options Wide angle optics with 270° visibility for maximum safety Rear light is aero and round seat post compatible Lightweight and durable, IPX7 water resistant co-molded design 12pcs in a countertop box