All you need to do is fix the protective case on the back of your iPhone and secure the Fisheye LensThe Fish Eye Lens will bring a new dimension to your videos and picturesTake widescreen 160 degree angle shots and great videos of your outings your friends doing silly thingsThe case is lightweight durable and discreet enabling you to leave it attached at all times so you are ready to take those greatnbsppictures at anytime