DPM1 is a miniature, lightweight device designed exclusively for spot-check monitoring of SpO2 and pulse rate. Weighing less than a half pound, this device is easy to carry, easy to store, and equips you with just what you need to get the job done. Choose DPM1 and you're armed with the accuracy and efficiency you rely on when performing intermittent monitoring across a wide range of patients. Plus, this powerful little device is easy to maintain, requiring just four AA batteries for up to 15 hours of run time. More convenience and less worry for you mean more time focusing on your patient. Take the worry out of your spot-check monitoring routine and go with DPM1, the simple choice.