The Energizer led headlight is lightweight and brilliantly bright with a fully adjustable and comfortable headband which also provides a secure and stable fit no matter what the activity - be it outdoor pursuits or indoor activites. The energizer LED head light benefits from up to 20 hours battery life. 1 bright and long life LED provides up to 43 lumens of vibrant and super white light that has a Beam range up to 20 Metres - not the longest but far enough given its size and weight. Water resistant with an easy to use on/off switch. The Energizer LED headlight has a Durable construction and economical, stylish lighting solution when both hands are needed.