Panther Vision Hat / Cap 2-LED Navy Premium, 6 panel hat with sandwich trim, premium comfort sweatband and durable Velcro closure. One Size Fits Most. 2 Ultra Bright LEDs concealed in the brim provide hands free light when and where you need it. Lights Up a 15 ft area brightly and can be visible from over a mile away. Easy on/off switch concealed in the brim. 2 CR-2032 coin cell batteries are concealed in the sweatband, provide up to 30 hours of continuous light and are easily replaceable.