Aqua Lung Calypso Primary Regulator/2nd Stage Octopus/Pivot Console/Matrix Comp. I had my local dive shop put batteries in the dive computer and he also hooked it up to a tank and there were no leaks. As you will see in the photos, its like brand new. Look closely at the pictures and you will see for yourself how nice this gear is. Message me with any questions you might have and I will get back to you as soon as possible.Thank you for your interest. Have a great day and be safe. The item "Aqua Lung Calypso Regulator With Aqua Lung Octopus/Pressure Gauge/Matrix Comp" is in sale since Sunday, August 1, 2021. This item is in the category "Sporting Goods\Water Sports\Scuba & Snorkeling\Regulators". The seller is "efried69" and is located in Deerfield Beach, Florida. This item can be shipped to United States.