Minalo Ultra Bright 5 LED Beanie Cap/Hat Hands Free Unisex Lighted Stocking Cap 12000mcd of Perfect Hands Free Flashlight For Hunting Camping, Grilling, Jogging, Handyman Working One size fits most, 100% acrylic material.5 LED Lights built in light the distance up to 42 feet away. Requires 2 CR2032 Lithium Batteries in the batteries hatch (include). Built in LED's is 12000 MCD combined, and works for around 24 Hours in full use. Arrives ready to go. Just switch it on and put away your flashlight. Easy to switch on/off built into band switch operation, operates on 2 replaceable lithium batteries.