For continuous oxygen monitoring, the MiniOX 3000 Oxygen Monitor is portable, easy to use, and is designed for in-line oxygen monitoring in hospital, home ventilator, NICU, and anesthesia delivery equipment applications. Powered by one 9-volt battery, the MiniOX 3000 Oxygen Monitor provides up to 1500 hours of use. Each unit is shipped complete with sensor, coiled cable, tee adapter, and battery.