Our 3D night vision goggles feature a 400-diopter adjustment range, allowing most users to achieve a clear view without glasses. However, if you prefer to keep your glasses on, you can still use the goggles comfortably. 

Yes, our underwater camera for snorkeling supports instant playback of videos directly on the device, and you can also upload videos to a PC for viewing. 

The camera itself is not waterproof, so it can’t be used underwater. The protective case, lens hood & UV filter will protect the camera from the elements like snow and rain. Prolong use of the camera in extreme weather is not recommended. Like most of the electronic products, the battery life will decline in extreme cold condition. Contact us for the advance skill of using our camera in snowy weather. 

Our night vision goggles are equipped with 850NM infrared and 7-stop infrared adjustment, allowing you to see things clearly up to 1000FT/300M at night 

No, they cannot be mounted on a helmet. However, it has tripod threads on the back so that it can be fixed to a tripod.