The Lezyne Zecto 2 Drive 350+ is a compact front light that mounts either by O-ring or on a quarter-turn computer mount. It gives up to 350 lumens in Day Flash and up to 50 hours in Flash mode, so it works as a daytime be-seen light on the road bike and a commuter light after dark. Key Features 350 lumens maximum, up to 50 hours runtime Daytime Flash mode Compatible with most quarter-turn mounting systems Slim quarter-turn mount adapter and O-ring mount supplied Integrated clip IPX7 waterproof rating USB-C charging through a water-resistant port 650mAh user-replaceable battery (EU Batteries Regulation 2023/1542) Compatibility Most quarter-turn (Garmin-style) mounts, via the supplied adapter Handlebars, via the supplied O-ring mount Integrated clip for bags and clothing Included Zecto 2 Drive 350+ front light Quarter-turn mount adapter O-ring mount Not Included USB-C charging cable Specification Specification Detail Position Front Maximum output 350 lumens Maximum runtime 50 hours Output modes 6 Battery 650mAh, user-replaceable Charging USB-C (water-resistant port) Water resistance IPX7 Mounting O-ring, quarter-turn adapter, integrated clip Weight 39.4g Dimensions (L x W x H) 46 x 25.4 x 47.2mm Colour Black Output Modes Mode Output (lumens) Runtime (h:mm) Blast 100 4:30 Economy 40 10:00 Femto 20 46:00 Day Flash 350 38:00 Flash 150 50:00 Pulse 75 14:00 Small, versatile and easy to live with.