The CT2210 pocket pen light boasts a slim, compact design. Featuring a high-power LED which generates 100 Lumens of light output. Water and impact-resistant, the CT2210 is constructed from rugged aluminum. The weather-resistant push button switch provides reliable performance in adverse conditions. The pocket pen light also includes a durable steel pocket clip for easy and secure portability. Two AAA batteries (included) provide 3.5 of continuous run time.