300m Night Vision : Enhanced by 3W 850nm infrared LED with 7-level adjustable brightness. Lens ： F1.4aperture ，12mm focal length. Field of View (FOV) ： 22.8°x17.2°. Long Battery Life : Up to 5 hours (IR on) or 10 hours (IR off) with a built-in 2000mAh lithium battery.
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