YouYouPifa Fashion Women's & kids Plastic Band touch screen Red Light LED Watch Bracelet (Black) 100% Brand New Case Diameter: 30 mm / 1.18*0.00 Inch, Case Thickness: 11 mm / 0.43 Inch, Case Width: 18 mm / 0.71 Inch, Band Length: 15 cm Movement:LED The red LED watch bracelet models Daily Water Resistant please don't put it in Water