Nightfox Ember Night Vision BinocularsEasy to Use: Our British designers have made the Ember intuitive, comfortable and fun to use. Thanks to the automatic IR function, which turns on the 850nm infrared LED when darkness falls, all you need to do is turn the device on, focus the lens and enjoy. Comfortable for All: The screen can be held close to the eyes, and is highly magnified to give the user a cinematic viewing experience. Not only are these night vision goggles ideal for adults of