[CONVENIENT PORTABILITY]: Easily carry this lightweight nail light wherever you go. [SAFE TREATMENT]: Experience warmth without the fear of tissue burns with this efficient device. [RECHARGEABLE BATTERY]: Enjoy long-lasting power with the 400mAh lithium ion battery. [DURABLE DESIGN]: Sturdy PC and ABS construction ensures longevity and reliability. [MULTI-USE]: Treat nail at home, work, or while traveling to maintain perfect nails.