reVive Glo Anti-Acne Light Therapy Device is a portable acne light therapy device that penetrates deep into the skin, targeting and destroying bacteria that leads to acne. The result is clean, clear skin with healthier appearance. Take your health to the next level with guaranteed FSA eligible Skin & Personal Care products. Features: Medical-grade blue LED lights reach deep where bacteria lives Reduces future acne flare-ups and potential acne scarring Reduces redness and inflammation Small, portable device can fit almost anywhere and be used on-the-go Powered by 3 AAA batteries (not included)