SKU: AW23344 Weighs: 144g (with batteries) Battery Type: Rechargeable Max Output: 1500 Lumens The Petzl Nao RL is a high-performance headlamp with intelligent lighting technology, balance, comfort, and extreme power. It is designed for athletes moving quickly on technical terrain. Petzl says:  Ergonomic, ul… Nao RL Headlamp