Where is this manufactured?

This is a Proctor and Gamble product. The corporate office for P&G is US based, located in Cincinnati, OH. But I do not know where the specific factories are located.

Is this an original crest product? i can't seem to find the same "levels 34 whiter" on the crest website and anywhere else, except for amazon.

This a crest product, probably just an older marketing gimmick.

Does your light stay on for 5 minutes? Mine only stays on for 2 minutes then only seconds if I try to turn it on again.

Yes, mine stays on for 5 minutes.

At the top of this page it say the product "uses the same whitening ingredient dentists use". What type of peroxide is it, & in what concentration?

I have no idea, but I can tell you these strips really work!

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Description

✨ Flash your brightest smile with Crest 3D Whitestrips + LED Light!

FAST EFFECTIVE - LED light boosts stain removal for a visibly brighter smile in just 20 days.
STAY PUT COMFORT - Advanced Seal Technology ensures strips stay firmly in place—talk and sip water worry-free.
PRO LEVEL BRIGHTNESS - Achieve up to 34 shades whiter teeth with professional-grade whitening power.
DENTIST TRUSTED FORMULA - Uses the same enamel-safe hydrogen peroxide trusted by dental experts worldwide.
COMPLETE WHITENING SYSTEM - Includes 20 treatments with upper and lower strips plus a wireless LED accelerator light.

Crest 3D Whitestrips Professional Effects + LED Light is a dentist-recommended, enamel-safe teeth whitening kit that delivers up to 34 levels of whiter teeth. Featuring the highest hydrogen peroxide concentration available in at-home kits and Advanced Seal Technology for a no-slip fit, it includes 20 treatments with upper and lower strips plus a wireless LED accelerator light to enhance stain removal. Perfect for professionals seeking a confident, radiant smile in just 20 days.

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