It is the first high-color-rendering AA headlamp on the market that uses a 519A LED which produces a 5000K, uniform, and full large beam. It is also the best fishing headlamp. The light is soft, comfortable, and non-glaring. Compatible with the standard AA battery, which is reliable, inexpensive, and easy to find. Can be firmly attached to a metal surface with a magnetic tail or clip in your pocket as a chest lamp, offering various lighting demands.