Night Vision Goggles built-in powerful 3W infrared light that lets you see clearly in pitch black darkness. These digital binoculars with 4X optical zoom , and an 8x digital zoom will help you explore it all.Up to 40MP picture resolution and 2.5k video ,you can capture high definition photos and videos with its outstanding optical clarity.HD digital binoculars have a built-in 2600mAh lithium-ion rechargeable battery, which allows you to observe targets in the dark for hours without any AAA batteries, avoiding environmental pollution.