Check the listing for details. DACOR EquaNOx SCUBA Dive NITROX AIR Computer Puck Module Wrist Mount NEW Battery. Condition: Used. Listed at 159.88 USD. DACOR EquaNOx SCUBA Dive Computer Puck Module, Wrist Mount capable. Includes: New Battery, Greased O-ring, comes Ready to Dive! Does have scratches and marks, which do not affects its function and are not visible while using underwater. See all photos for details. To confirm fit in your dive console, check measurements first. This module is approx. 1-3/16" high, 2-9/16" max. diam. at center, and tappers in towards top and bottom. This unit has a slot for a wrist strap at the bottom. COMPUTER ONLY, NO Manual, NO Disk, NO Strap, Nothing else. Shipping charges include a portion of the following fees that ebay charges the seller: ebay's commissions of15% or greater on the sale price.ebay's per itemlisting & selling fees.the 15% fee that ebaycharges on shipping labels.the 15% fee that ebaycharges on the taxes you pay (ebay'sunethical fee).Plus packing materialand the actual cost to ship item. FedEx: We NO LONGER use FedEx because of their unethical and illegal scamming of their customers. Too many customers were receiving 'padded bills' after the item was delivered, with NO accountability by FedEx. If this has happened to you, consider joining a 'Class Action Law Suit Against FedEx'. Meanwhile, join us in boycotting FedEx.