Sentinel™ 250 Bike Taillight with Laser Lanes


Regular price $64.99
-99 in stock

The Sentinel™ keeps a watchful eye over the night projecting highly visible laser lines for your own personal bike lane, enhancing your safety immeasurably, while also giving you protection during the day with Daylight Visible Flash (DVF) technology.

• Lumen Output: 250
• 7 Modes with Run Times: 5:00 – 45:00hrs

• Charge Time: 3:00hrs

• Weight: 116g

• Battery: Li-Po
• Low Battery Indicator
• 250 lumen Daylight Visible tail light with Laser Lanes
• Water / Dust Resistant IP64 Rated

Flash 1 - *6:30h
Flash 2 - *5:00h
High Steady - *8:00h
Low Steady - *45:00h
*No Lasers

Slow Flash Lasers - *14:00h
Fast Flash Lasers - *14:00h
Steady On Lasers - *7:00h
*Lasers Only

niterider user guide pdf view
View / Download Sentinel™ 250 User Guide Spec Sheet


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Customer Reviews

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niterider® technical lighting

Sentinel™ 250

Also features an innovative Group Ride Mode where you can be seen without distracting fellow cyclists’ attention from the pavement or dirt. At 116 grams the USB rechargeable Sentinel meets all required FL1 Standards for impact testing and dust/water resistance. The easy on-and-off seat post strap with quick release tab makes the Sentinel convenient when you do need to give it a quick charge.

Adjustable Angle

Fine tune the direction of light as well as the Laser Lanes, getting them parallel to the left / right of the cyclist.

FL1 Standards Tested

The Sentinel™ 250 meets all required F1 Standards for accurate run times, lumen output testing and dust/water resistance.

USB Rechargeable

Convenient USB Rechargeable minimizes the amount of battery waste. Charge time: 3:00h

• Optimal VIZ with Daylight Visible Flash (DVF)
• A wearable safety light – clip onto various straps, belt loops, etc.
• Highly visible laser lanes
• All in one, Laser and tail light!
• Convenient USB rechargeable
• Group Ride Mode – be seen without distracting fellow cyclists
• Easy on and off seat post strap mount with quick release tab
• FL1 Standard IP64, dust and water-resistant


Low Battery Indicator

Robust yet lightweight

Product Weight


What's Included?