【Strong Air Pump Motor 】Maximum depth 10 meters. Steady and powerful air transmission.Long lasting battery. Fully charged Diving Ventilator can work for 210 mins(3.5 hours)/300mins(5hours); 【More Air, Powerful Engine】The Upgraded battery-driven compressor can provide 53L of oxygen per minute. Allows you to breathe freely underwater and provides you with sufficient oxygen. 【Make Diving Easier】Traditional oxygen cylinders need to be pumped up. This equipment allows you to say goodbye to heavy oxygen cylinders. Diving is easier, without oxygen cylinders, allowing your body to be more free and unconstrained in the water. With hunting spear and underwater scooter, it will be more fun. 【Waterproof Safe Design】 Everything you can see on this product is waterproof. It can even resist waves. Waterproof button and precise power display screen. Soft latex handle won't cut your hand. 【Usage】 Scuba Diving&Snorkeling, underwater exploration. Perfect for traveling. Take Nemo with you to explore beautiful underwater world.