The GEARWRENCH dual LED head light features two settings: 100 lumens for normal use or 200 lumens for extra brightness. Convenient side activation switch. COB (Chip-on-Board) technology for compact size and greater light intensity. Comfortable two way expandable head strap with security clips for work helmets. Rechargeable lithium-ion battery provides up to 4 hours of run time. IP54 rated for dust infiltration and water resistance. Includes Mini DC cord.