Knog Frog V3 Rear LightThe rebirth of an iconic bicycle light, the Frog Rear Bike Light: bright, versatile & fun. A design that millions of riders around the world have come to love. Powerful enough for everyday commuting or used to complement an exisiting lighting set-upTaking cues from more advanced Knog lights, Frog is designed with Chip on Board LED technology, enabling a high intensity light that's compact, low profile and packed with featuresFeaturesPunchy 20 lumen outputCOB LED Technology - Efficient Chip on Board (COB) LEDs provide maximum brightness level for up to 90% of the battery burn timeAdvanced Side Visibility - COB technology allows the LEDs to be arranged on a curved board, projecting light from the sides & adding to rider safetyOne Button Operation - A single large, easy press button makes the operation of these lights super simple, even in glovesIntegrated Flexible Mounting System - With no tools required to mount Frog and featuring an integrated flexible strap, Frog is easily mounted anywhereSpecificationBulb Type - Chip on Board (COB) LEDsLight Max Output - 20 lumensRun Time - Up to 60 hoursProgrammable With ModeMaker - NoWaterproof - Yes, IP65 ratingLight Modes - 9Rechargable - Yes, USB-CLow Battery Indicator - YesStrap Material - Medical grade silicone