FRONT LIGHT:The Lezyne Zecto Drive 250+ Front Light is a low-profile, high-visibility light with six ultra-bright LEDs that offer up to 250 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.It is rigorously tested to IPX7 Waterproofing standards to withstand even the harshest weather conditions. With a 650 mAh battery capacity, the Zecto Drive 250+ Front offers a maximum runtime of up to 40 hours in Femto mode. It also boasts waterproof USB-C charging(cable not included), making it easy to keep it charged and ready to go.REAR LIGHT:The Lezyne Zecto Drive 200+ Rear Light is a low-profile, high-visibility light with an impressive 200 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.It is rigorously tested to IPX7 Waterproofing standards to withstand even the harshest weather conditions. With a 650 mAh battery capacity, the Zecto Drive 200+ Rear offers a maximum runtime of up to 35 hours in Femto mode. It also boasts USB-C waterproof charging(cable not included), making it easy to keep it charged and ready to go.Lezyne Zecto Drive 250+/Zecto Drive 200+ Lights HighlightsMax Lumens:250/200.Max Runtime: 40/35 hours.Battery Capacity (mAh): 650.Recharge Type: USB-C.Weight: 47g/50g.Dimensions: 43mm, 45mm, 30mm/43mm, 45mm, 30mm.Features:IPX7, Daytime Flash, Infinite Light Power Pack+/IPX7, Daytime Flash.