The Spectrum 4K-Mini digital day & night vision scope from AGM utilizes practically all features but in smaller and lighter body. Spectrum 4K-Mini based on an advanced high-resolution 38402160 detector, which works in conjunction with a high quality 1920x1080 OLED display. The display allows users the ability to switch from a semi-circular interface to a rectangular interface. Also added the ability to switch the image refresh rate to 100 Hz, that enhances image fluidity, particularly useful for fast-moving targets. The Spectrum 4K-Mini is one step in the continuous evolution of full color digital electro-optics. Powered by built-in rechargeable battery and one additional replaceable 18650 batteries. The 8hr battery life supplies users with more than enough time behind the eyepiece during hunting season. The internal storage capacity, which comes in at a robust 32GB, which will come in handy when recording in high resolution. AGM Global Vision SPEC-4K-M Spectrum 4K Mini Night Vision Black 3.5-20.5x40mm, 30mm Tube, Multiple Reticle.