Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Simple - Easy two-button operation * Comes with the Adult Articulating Hinged Finger Sensor * Alarms - Audible, Visible, Pulse Rate High/Low, SpO2 High/Low, Low Perfusion * Compact Size - 7.5 oz. unit * Flexible - AA batteries, rechargeable batteries, or AC power with charger standard * Memory for 72 hours of data storage * 3 Year Manufacturer's Warranty * Efficient - 60 hrs of battery life *