The nutribullet® Portable Blender can be used outside in dry, temperate conditions. Users must use caution when operating the nutribullet® Portable Blender near water and other moist environments. Never submerge the blender in water or other liquids. If your blender happens to get a little wet, make sure to thoroughly dry it before charging or operating. You should also be wary of using the blender in extreme temperatures, whether hot or cold, as this can drain and damage the battery. Do not leave your blender in a parked car, and never store your blender in the freezer. Make sure to keep the blender in an indoor, temperature-controlled environment when not in use.