The Trade Up to XTM 545 w/3-Year Security Bundle. SKU is to be used in accordance with the Firebox Trade Up Program only. An existing eligible device is required in order to activate this product. ***Box requires activation by WatchGuard. Appliance will only work with replacement of old WatchGuard appliance or Competitors' appliance. See www.watchguard.com/products/tradeup.asp for additional details.***