Bicycle LED Ambient Light Strip (1 To 2), White Battery Box, 5V USB Power Supply (Batteries Not Included), High-Quality Light Strip With 15 LED Beads, RGB Dynamic + Static Lighting Modes, Suitable For Night Riding, Daily Riding, And Outdoor Riding. Multiple Lighting Modes Enhance The Riding Atmosphere, A Cool Riding Companion, And A Party/Festival Decorative Light.