Despite the tremendous effort smartphone manufacturers have put in improving the low-light performance of their devices' cameras, nothing beats having a bright, powerful flash to illuminate the subject. Unfortunately, the majority of today's handsets come with LEDs on the back, which just don't work well at distances of over a few feet away. Well, there's a company that wants to solve this problem with an accessory of its own...
Source: http://www.phonearena.com/news/Take-better-night-photos-with-this-detachable-flash-for-smartphones-and-tablets_id45994
Source: http://www.phonearena.com/news/Take-better-night-photos-with-this-detachable-flash-for-smartphones-and-tablets_id45994