Support Both Diving & Snorkeling. Tip: This snorkeling mask is size L/XL! You can both connect with two snorkels for snorkeling and connect with scuba tanks for scuba diving( only support to connect with 0.5L / 0.7L mini scuba tanks, need the K2 connector). When used for snorkeling, it acts as an full face diving mask that support breathe through nose, which making scuba diving as easy as snorkeling (Note: when use for scuba diving, the maximum dive depth should not exceed 10m) 180 Panoramic View & Less-fog &Anti-leak. Adopts transparent flat lenses that do not distort your view underwater, make it easier to get a 180 panoramic view and allow you to fully immerse the underwater world. The front exhaust valve can quickly release air, the skirt and chamber of the mask are made of silicone material and closely fits your skin, which can greatly reduces fogging. Moreover, the diving mask has a drain valve can drain water Humanized Design. Both breathing tubes of the mask can be roated and removed. When used for diving, we only need to replace the snorkel with K2 connector, and then the mini scuba tank can be connected to the mask, you can also get multi scuba tank for spares. Moreover, it equipped with a camera mount to facilitate recording of diving trips High Quality. The mask is made of ABS+PC materials, with a barrier added between the nasal cavity and the mirror surface. The exhaust valve is set in the nasal cavity, which effectively reduces the flow of exhaust gas inside the mask, thereby achieving a better anti-fog effect. There is a drain valve at the bottom. If water accidentally enters the mask, it will be drained out quickly under the action of atmospheric pressure Important Notice Our full face mask requires simple assembly before use. It only includes the mask components and does not include the K2 connector and diving box. If you need the K2 connector, please choose the connector with K2 or go to our store to purchase other diving equipment with full face masks ",