Nonin PalmSat Pulse Oximeter w Alarm Traction Units Spacious stainless steel interior accomodates Nerve Sensory Evaluator Access Spacious stainless steel interior accomodates splinting sheets up to 24 x 18 working tank with a cover * Features dual thermostatic controls on high (175oF) and low (160oF) that can be adjusted individually * Dual independent heating elements for both settings provide quick warm up and automatically convert to a more effecient circuit once the working temperature is reached * Grounded hospital grade plug and high heat safety switch * Short press the Volume Button for volume + Simple Easy two button operation * Unit beeps when reading appears * Comes with the Adult Articulating Hinged Finger Sensor and 4 Alkaline AA batteries * Alarms Audible Visible Pulse Rate High Low SpO2 High Low Low Perfusion * Compact Size 7 unit * AA rechargeable batteries and AC power with charger stand sold separately * Memory for 72 hours of data storage * 3 Year Manufacturer's Warranty * Efficient 60 hrs of battery life *