This bump cap features a removable LED front light for superior visibility in low light conditions. The rechargeable LED can be charged in a USB port.,Without reducing the level of performance and protection, the short peak of this bump cap gives the benefit of lighter wear and better visibility. Peak length 3cm only. Hook and loop adjustable size. Equipped with a removable and USB rechargeable light Inner ABS shell and soft pad for shock absorption Durable high density EVA protects and gives comfort to the wearer Brightness 150 lumens USB rechargeable li-ion battery Run time 2 hours high, 4 hours low