Swarovski Demo Products Swarovski demo products have been slightly used for display or demonstrations by Swarovski during outdoor industry events. They may exhibit minor cosmetic imperfections that will vary from demo product to product. Swarovski demo products and their included accessories are guaranteed by Swarovski to operate to the standards for a new product. In rare cases, one or more accessories may be missing. All Swarovski demo products are covered by the Swarovski Limited Lifetime Warranty (View Warranty). Prevent internal fogging of your Swarovski Z6i, Z8i, or dS riflescope with this AFL Rechargeable Anti-Fog Lens. Switch it on for two minutes before the hunt begins and the device will warm the objective lens of your scope to prevent condensation and keep the lens clear. The AFL is powered by a rechargeable battery, is quick and easy to mount, user-friendly, and suitable for right- or left-handed users. It features an integrated flip-open lens cap and a battery, charging dock, and power cable are included. The device charges in four hours and will run for four hours on a full charge.