Tabletop Pulse Oximeter: Monitoring Parameters: SpO2, PR, PLETH, Pulse strength Optional Parameter: Temperature Signal sockets: SpO2 socket, PC communication socket Product size: 158x145x73mm Features PLETH: The monitor can display PLETH waveform Intelligent parameter monitoring screen: The monitor automatically selects the parameter measurements to display according to the probes connected to the monitor Audio and visual alarm: The speaker sounds the alarm and the parameter's measurement flashes on the screen Prompting: Icons of battery capacity, pulse sound switch and alarm sound switch Power saving: The monitor will automatic shut down when no monitoring for 3 minutes Three kinds of Power supply can be used according to your requirements Trend: The monitor saves parameter measurements every 2 minutes and can store trend data up to 36 hours Data storage: The saved data will never be lost even if the monitor is powered off Communication: Transmitting the patient's trend to a PC for display, observation, saving and printing Electrical specifications Working Voltage: 6.0-9.0VD. C. AC power adaptor Input: 100-240VAC, 50/60Hz, 0.7A Output: 9V D. C. 800mA Internal battery Type: 1.5Ahr/9V Lion rechargeable battery Run Time: 7-hour continuous operation with a new, fully charged battery Recharge time: 8 hours The third Power Option Five AA size standard or rechargeable batteries Parameter Specifications SpO2 Patient: Adult, child, neonate Range: 35 - 100% Resolution: 1 % Accuracy: 70% - 99%: 2 % 0% - 69%: Unspecified PR Range: 30 bpm-250bpm Resolution: 1bpm Accuracy: 2bpm