Condition: 100% brand new and high quality Material: Acrylic + LED Color: Black,Red,Blue Size: 18.5*20cmSize Fits Most One Functions and Features: Fabric is high-grade acrylic fabrics (elastic), the battery is two CR2032 lithium battery (replaceable), can work continuously for 12 hours, the lights dim after 12 hours, the lamp is completely extinguished after 24 hours , there is a master switch on the battery. For night fishing, emergency lights, men and women can be applied. Power cap LED lighted winter Beanies combine the great Panther Vision electronics that you've come to depend upon with a premium compression fleece beanie-style hat (or what some might call a stocking cap to your way on) light cold nights. The soft, moisture-wicking lining pulls moisture away from your head to keep you warm and dry. The 5-LEDs provide more than 48 lumens of light. All of the Beanies have a simple 2-position on/off switch hidden in the band, just on your forehead. Click it once to turn on all five lights to shine where your hands are and two aimed forward to light the distance up to away. Click it again 42 feet to turn them off. The four CR2032 coin cell (batteries included last up to) 43 hours of continuous (use or 68 hours Realistic intermittent use of and are easily replaceable. Why are there lights on this hat, you ask? That 's for you to decide. Perhaps a headlamp won' t work because your head is too cold. Perhaps it 's a matter of being a BLING factor. Perhaps it' s a great gag gift. Perhaps you 've always thought that if there are lights on shoes to make people more visible, why not make a hat that does the same so the wearer can see better also.