Lezyne Zecto Drive Max 400 Taillight Black. The Lezyne Zecto Drive Max 400 Rear is a high-visibility light that boasts an incredible 400 lumens of brightness. Its six combined solid and flash output modes offer versatile options for any situation. Its highly disruptive Daytime Flash mode ensures maximum visibility during daylight hours and the intelligent Power Indicator displays battery runtime and increases side visibility. The light is fitted with a patented 2-in-1 clip and strap mounting system allowing easy attachment to handlebars or loops.