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Hero image 0 of Serfas USM-350 E-Lume 350 Lumens Headlight, 0 of 4
Serfas USM-350 E-Lume 350 Lumens Headlight
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Key item features
- Robust Construction: Features an all-in-one design with an extruded aluminum body, providing strength, lightweight properties, and efficient thermal conduction to reduce heat buildup for optimal battery performance.
- Enhanced Visibility: Equipped with a new optical lens and housing, including front corner cutouts, to offer excellent side visibility without compromising forward illumination or beam pattern.
- Powerful Illumination: Delivers a maximum output of 350 lumens in High solid mode for 3 hours, and a Daytime Flash mode also at 350 lumens, lasting up to 75 hours.
- Extended Runtime: Offers impressive battery life, with the Low Flash mode providing up to 90 hours of operation at 50 lumens.
- Convenient Charging: Includes an integrated USB rechargeable Li-Ion battery, a USB charging cable, and a backlit button that indicates charge status and low battery.
- User-Friendly Controls: Incorporates a press and hold button lock mechanism for ease of use and to prevent accidental activation.
- Compact Design: Weighs 142g with the bracket, making it a lightweight addition to a bicycle setup.
Generated by AI
Specs
- Bicycle light typeHeadlights
- Light output350 lm
- FeaturesRechargeable
- Power typeBattery
- Light bulb typeLED
- BrandSerfas
Current price is USD$23.32
Price when purchased online
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About this item
Product details
New for 2021. Serfas E-Lume Series Headlights feature a redesigned extruded aluminum housing, new optical lens with excellent side visibility, and improved battery capacity and LED performance.
Serfas made not only increased performance a priority but also improved rider visibility, so they designed an all new optical lens and housing with front corner cutouts to allow drastically more light be visible when viewed from either side - and this all without any reduction in quality of forward illumination or beam pattern.
Constructed of aluminum the E-Lume housing is strong and lightweight as well as an efficient thermal conductor which effectively reduces heat buildup thus helping maintain temperatures for optimal battery performance and consistent light output.
Light output of the E-Lume 350 is sent through a single optical lens creating a powerful beam with strong front illumination and excellent side visibility.
• All-In-One Design
• Extruded Aluminum Body
• Press and Hold Button Lock
• Daytime Flash Mode
• Up To 90 Hours Runtime
• Integrated USB Rechargeable Li-Ion Battery
• Backlit Button Indicates Charge Status and Low Battery
• Handlebar Bracket
• USB Charging Cable
• Weight : 142g w/ Bracket
• Battery: 1-Cell Li-Ion
• Charge Time: 2.5 hrs To Full At 700mA Using USB Wall Charger
• Solid Mode: High - 350 Lumen / 3 hrs — Medium - 150 Lumen / 7 hrs — Low - 75 Lumen / 15 hrs
• Flash Mode: Daytime Flash - 350 Lumen / 75 hrs — Low Flash - 50 Lumens / 90 hrs
Brand: Serfas
Serfas made not only increased performance a priority but also improved rider visibility, so they designed an all new optical lens and housing with front corner cutouts to allow drastically more light be visible when viewed from either side - and this all without any reduction in quality of forward illumination or beam pattern.
Constructed of aluminum the E-Lume housing is strong and lightweight as well as an efficient thermal conductor which effectively reduces heat buildup thus helping maintain temperatures for optimal battery performance and consistent light output.
Light output of the E-Lume 350 is sent through a single optical lens creating a powerful beam with strong front illumination and excellent side visibility.
• All-In-One Design
• Extruded Aluminum Body
• Press and Hold Button Lock
• Daytime Flash Mode
• Up To 90 Hours Runtime
• Integrated USB Rechargeable Li-Ion Battery
• Backlit Button Indicates Charge Status and Low Battery
• Handlebar Bracket
• USB Charging Cable
• Weight : 142g w/ Bracket
• Battery: 1-Cell Li-Ion
• Charge Time: 2.5 hrs To Full At 700mA Using USB Wall Charger
• Solid Mode: High - 350 Lumen / 3 hrs — Medium - 150 Lumen / 7 hrs — Low - 75 Lumen / 15 hrs
• Flash Mode: Daytime Flash - 350 Lumen / 75 hrs — Low Flash - 50 Lumens / 90 hrs
Brand: Serfas
- All-In-One Design
- Extruded Aluminum Body
- Press and Hold Button Lock
- Daytime Flash Mode
- Up To 90 Hours Runtime
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Bicycle light type
Headlights
Light output
350 lm
Features
Rechargeable
Power type
Battery
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Ingestion Hazard
This product contains a battery. Death or serious injury can occur if ingested. A swallowed battery can cause Internal Chemical Burn in as little as 2 hours. Keep new and used batteries OUT OF REACH OF CHILDREN. Seek Immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body.
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