Features: Waterproof depth: 40M/130ft. High brightness LED patch composition, high efficiency, energy saving, low light loss. The shell is made of PC110 composite material and aluminum alloy, with strong resistance to fall-off, heat resistance, fire resistance and flexibility. Three kinds of lights are suitable for different scenes, white light brightness adjustable and can flash - red light, yellow light. When the battery power is lowered to 2.6V, the product automatically turns off all functions to protect the battery from over-discharge. Specification: The SL-108 Is A Multifunctional Waterproof Macro Ring Photography Light With M67mm Mounting Color: Black Material: PC110 + Aluminum Alloy Brightness: Strong light: 1200LM; Low light: 300LM; SOS:450LM; Flash: 3000LM Battery type: lithium battery 3.7V/1800mAh (Not included) Waterproof depth: 40M/130ft LED specification: White light: JZ3535WC x 40PCS, Color temperature: 7500K Irradiation angle: 120 LED life-span: 50000 hours Irradiation distance: underwater 1.5m Weight: Approx. 380g Package List: 1 * Ring Flash Light 1 * Beaded Support 2 * Adapter 1 * Optical Cable 1 * USB Cable 1 * Storage Pouch 1 * User Manual Camera is not included as it just for shooting.