4 Selectable Programs 3 modes High / Strobe / Low 178 Lumens Removable pocket clip 1 AA Battery (included) Get a grip on LED performance. Pelican&';s 2350 LED Flashlight emits up to 178 lumens of concentrated light. Powered by one AA alkaline battery, it&';s one of the brightest flashlights in its class. At only 4.23&';&';, you&';ll always want the Pelican 2350 LED Flashlight in your pocket. Its small size does not reflect it performance or features. The 2350 provides three modes, High / Strobe / Low. Additionally, it is programmable allowing the end user to select from four different programs.