The HS248 is one of the best selling and most dependable lights that we offer. The 248 is a durable light composed of an aircraft grade aluminum. It features a fixed beam at 248 Lumens of CREE bulb brightness and a solid emergency glass breaker on the front nozzle. In addition, the light also features 5 modes of operation (Hi, Medium, Low, Strobe, and SOS) that can be easily alternated at the push of a button. The light also includes a rechargeable 18650 Battery that is charged in the flashlight case itself through plugging in one of the 3 charging cords (wall charger, car charger, and USB charger), into the corresponding outlet. It is a durable, weatherproof, and a great value flashlight at a great price.