Oxygen Sensor Device is an innovative modern apparatus designed for divers to regulate the oxygen levels under water. This lil gizmo gives real-time info concerning the oxygen concentration to ensure that divers are not violating the standard breathing requirement during their forays. Being powered by the latest technology and having a friendly interface it provides the diver with necessary information for safety and enjoyment. The Oxygen Sensor Device is a friend of any kind of diving whether it is recreational diving or professional diving and it gives peace of mind.