We are offering table top pulse oximeter 1. Large screen:spo2,pr are shown on led screen, pleth waveform is displayed 2. On 2.8" color lcd screen in real time. 3. 24 hours or ac power and built-in rechargeable li-ion battery, up to 4 hour running time. 4. Automatic shutdown for power saving, shutdown time interval settable. 5. Suitable for adult, pediatric and neonatal 6. Via usb to connect with the computer, unique software for telemonitoring by transmitting data synchronously via internet 7. Battery capacity indicatior and prompt when battery low.