SecurityIng SF09 600 Lumens XM-L T6 LED Adjustable Focus 5 Modes Flashlight 600 Lumens Focus Adjustable Cree XM-L T6 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 3 x AAA batteries. (Not Included). Super brightness, best suitable for camping, travel, outdoor activities, etc.