This Lezyne light set pairs the Fusion Drive 500+ front with the KTV Drive Pro+ rear. The front gives up to 500 lumens with up to 35 hours in Femto, and a Power Indicator shows how much battery is left. The rear adds up to 150 lumens and 270° visibility. Both charge by USB-C and are rated IPX7. Fusion Drive 500+ Front: Key Features 500 lumens maximum, up to 35 hours runtime Six output modes, including Daytime Flash Power Indicator shows remaining battery CNC-machined aluminium body with cooling fins Waterproof USB-C port with fast charging (USB 3.0 and 2.0) IPX7 waterproof rating Compatible with the Lezyne Infinite Light Power Pack+ (not the original Infinite Light Power Pack) Optional GoPro-style mount available separately KTV Drive Pro+ Rear: Key Features 150 lumens maximum, up to 35 hours runtime Daytime Flash mode for visibility in daylight Wide Angle Optics give up to 270° of visibility Co-moulded body with a lightweight rubber O-ring mount IPX7 waterproof rating USB-C charging through a water-resistant port 400mAh user-replaceable battery (EU Batteries Regulation 2023/1542) Compatibility Front: handlebar strap mount; optional GoPro-style mount Rear: round, D-shape and aero seatposts via the O-ring mount Front: Lezyne Infinite Light Power Pack+ only; the original Infinite Light Power Pack is not compatible Included Fusion Drive 500+ front light KTV Drive Pro+ rear light Front handlebar strap mount Rear O-ring mount Not Included USB-C charging cables GoPro-style mount (available separately) Infinite Light Power Pack+ (available separately) Specification Specification Fusion Drive 500+ (front) KTV Drive Pro+ (rear) Maximum output 500 lumens 150 lumens Maximum runtime 35 hours 35 hours Output modes 6 6 Battery 1400mAh 400mAh, user-replaceable Charging USB-C, fast-charge compatible (waterproof port) USB-C (water-resistant port) Water resistance IPX7 IPX7 Mounting Handlebar strap; GoPro-style optional O-ring (round, D-shape, aero) Weight 128g 32.6g Dimensions (L x W x H) 82 x 42 x 41mm 39.9 x 25.2 x 55mm Colour Black Black Fusion Drive 500+ Output Modes Mode Output (lumens) Runtime (h:mm) Blast 500 1:45 Enduro 250 3:30 Economy 100 9:00 Femto 20 35:00 Day Flash 500 30:00 Pulse 100 12:00 KTV Drive Pro+ Output Modes Mode Output (lumens) Runtime (h:mm) Blast 50 2:00 Economy 10 9:30 Femto 5 35:00 Day Flash 150 24:00 Flash 75 20:00 Pulse 50 5:30 A well-balanced set for year-round riding.