Box/Fixed security cameras allow you to change lenses. This flexibility yields the best viewing angle for the camera in different applications. Box security cameras also come in ultra low LUX options that let you to see in the dark up to .00001 Lux. This is great for camera placement when you don't want to use an infrared camera. Box cameras can be used outside if they are placed in an outdoor weatherproof housing.Not only will this protect the camera from the elements, but it will also give the camera extra security protection. If you have any questions regarding these cameras you can give us a call at 866-568-5122.