{"product_id":"serfas-thunderblast-bike-head-light","title":"Serfas Thunderblast Bike Head Light","description":"\u003cp\u003e\u003cstrong\u003e“BLAST” Audible Warning System\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eComing up with ways to make you safer on the road when using Serfas lights is a top priority.  The Serfas Thunderblast bike headlight features a \u003cstrong\u003e“BLAST”\u003c\/strong\u003e Audible Low Battery Indicator that emits a loud 85 Decibel signal when your light battery gets under 10 minute runtime in that specific mode.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eHow It Works\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWhen the battery reaches 10 minutes of runtime, in its current mode, the light will emit a long beep followed immediately by a short beep. Sound will continue every minute.\u003c\/li\u003e\n\u003cli\u003eWhen the power button is pressed it will put the light in the next longest running mode \u0026amp; it will restart the battery low alert until 10 minutes of runtime in the mode is reached. Repeat as necessary. Example: Going from highest mode to lowest mode at first beep could extend runtime up to 5 times.*\u003c\/li\u003e\n\u003cli\u003eLight will emit beep sound repeatedly when last minute of runtime in the current mode is reached.\u003c\/li\u003e\n\u003cli\u003eWhile charging the light the power button will blink blue. When full charge is achieved light will beep to notify charging cycle is complete.\u003c\/li\u003e\n\u003cli\u003eLight emits a beep when power button is pushed \u0026amp; light goes from mode to mode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e“Blast” Audible Low Battery Indicator Alerts Rider Of Low Battery\u003c\/li\u003e\n\u003cli\u003eNew Body Design Easily Fits Aero Applications\u003c\/li\u003e\n\u003cli\u003eLow Flash Lasts Up To 14.5 hours\u003c\/li\u003e\n\u003cli\u003eExtra Long Mounting Straps For Endless Mounting Options\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eSolids Modes: High (100 Lumens): 2 hrs \u0026amp; Low (20 Lumens): 7.75 hrs\u003c\/li\u003e\n\u003cli\u003eFlash Modes: High (100 Lumens): 3.5 hrs \u0026amp; Low (20 Lumens): 14.5 hrs\u003c\/li\u003e\n\u003cli\u003eWeight: 48 Grams Without Bracket\u003c\/li\u003e\n\u003cli\u003eBattery: USB Rechargeable Li-Polymer\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SERFAS","offers":[{"title":"White","offer_id":39312340385851,"sku":"USLA-7WT","price":5.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0371\/6120\/5819\/products\/serfas-thunderbolt-usla-7wt-1.jpg?v=1762199343","url":"https:\/\/www.mackcycle.com\/products\/serfas-thunderblast-bike-head-light","provider":"Mack Cycle \u0026 Fitness","version":"1.0","type":"link"}