Most night vision goggles are designed for nighttime use and can be damaged if exposed to bright light during the day. However, thermal imaging devices and digital night vision models are often safe for daytime use.

The viewing distance depends on the device's quality and the ambient light available. Entry-level models may have a range of 100-200 yards, while professional-grade devices can reach up to 1000 yards or more in optimal conditions.

In most countries, it is legal to own night vision for civilian use. However, some restrictions may apply to exporting or using certain advanced models. Always check your local regulations before purchasing.

To keep your 4k infrared night vision binoculars in top condition, store it in a dry, padded case, avoid exposing it to bright light, and clean the lenses with a microfiber cloth. Regularly check the batteries and ensure the device is not exposed to extreme temperatures or moisture.

Consider the device's technology, legal restrictions in your area, your intended application, and compatibility with other gear such as a night vision helmet or night vision light accessories.

Some regions have specific regulations regarding the use of night vision for hunting to ensure fair chase practices. Check your local hunting regulations to remain compliant.