Ledsniper1800 Lumens Focus Adjustable Cree Xm-l L2 LED Bulb Zoomable Lamp Flashlight. 1800 Lumens Focus Adjustable CREE XM-L L2 LED Bulb Zoomable Lamp Flashlight. Capable of standing up securely on a flat surface to serve as candle. Support zoom in zoom out function with adjustable focus. Power Source: 1 x 3.7V 18650 Battery or 3x AAA battery(Not Included). Super brightness, best suitable for camping, travel, outdoor activities, etc.