The Wolf MPL-400 Multifunction Headlamp is s clever three in one rechargeable lighting solution from Wolf offering a headlamp, bivvy light and cap light. Giving up to 6 hours of light of one single charge, and fully recharged in 2-3 hours with a fast USB type C connector. They can be clipped to the front of a cap, into your bivvy or worn as a headlamp with the strap provided. With both white light and red light settings giving you the option of retaining your night vision. Its a superb value for money lighting option.