uxcell Black Shell 11 White LED Headlamp Rotatable Clip on Hiking Camping Cap Hat Light Product Name : Flash Hat Light;Light Color : White Powered By : 3 x AAA (Not Included Here) Modes : Flashing Light, Bright Light;LED Quantity : 11 Lamp Size : 9 x 6 x 2.1 cm / 3.5" x 2.4" x 0.8"(L*W*H) Designed for fishing, biking, camping, hunting or even working around the house.