Lung T-1000:The Lung T-1000 is our largest capacity cylinder. It allows you to explore the depths for up to 20 minutes without surfacing. All Lung T-1000's include a mouthpiece, extended pressure gauge and backpack. You can easily monitor your remaining air on the extended pressure gauge and thanks to its new backpack style design, the Lung T-1000 provides the most comfortable underwater experience. Lung Turbocharger:The Lung Turbocharger is a battery powered refill station for your Lung T-1000 or Lung T-500. It completely refills anywhere in minutes, hassle-free. Simply power the Lung Turbocharger via a 18V power tool battery or plug directly into a 110V / 220V mains power socket. The Lung Turbocharger is compatible with Makita, Milwaukee, Bosch & DeWalt rechargeable 18V DC Lithium-Ion batteries (not included). Take the Lung Turbocharger with you everywhere thanks to its compact and lightweight design. It also comes with a high-pressure cable, auto-stop function, and spare filters. Lung Sub-Mask:The Lung Sub-Mask is a cutting-edge full-face snorkelling mask that can be linked to Lung T-1000 or Lung T-500 cylinders. It transforms the traditional snorkelling experience by providing a unique combination of features. You can breathe through the snorkel while on the surface and the Lung Tank will automatically take over once you decide to dive. Kit includes Lung T-1000, backpack, Sub-Mask and Turbocharger. Kit does not include camera. Refer to the User Manual & Safety Guidelines before use.