🌊[Underwater 147 Ft for 5 Hours]:scuba compressor use stretchable hose, a single diver can dive freely for 5 hours.And new water coolant technology to ensure long-term use of the equipment without worrying about it will be too hot. The diving system is designed for ocean explorer, poolside clean, underwater fishing and hunter, underwater photographer, boat repair, metal detection..🌊[AQUAROBO Advanced Engine] :AQUAROBO diving ventilator has air intake of 112L per minutes ,larger 30% than other similar product,equipped with powerful motors which is 4700 rpm So machine provides enough air to ensure two person use(If need ,can buy another breathing tube in our store).And the 4-pass filter ensures fresh, natural, pure, tasteless and comfortable breathing underwater..🌊[Diving Safety]: air buddy diving systems 360°full waterproof and corrosion resistant .The engineering design of the machine greatly enhances its ability to withstand coral reefs and huge waves. The high-level chip control, escort diving activities. Fishing, underwater explore, underwater gold panning and pool cleaning.Inductive switches ensures that the device is not accidentally switched off during use.In addition, it is equipped with a diving flag for a clear warning to boaters or divers..🌊[Durable Battery Life]:scuba tank use super capacity 100 Ah battery.which can be recharged for 2000 times. After 3 years of normal use, it can give full play to the battery's endurance. In addition, The addition of a battery flame retardant device prevents the machine from overheating and burning and exploding. aquarobo has a complete safety system.There is a battery indicator, giving you more peace of mind when diving..🌊[Warranty]:100% Risk Free.Once buy the diving ventilator ,we offer a 270-day warranty and free replacement .