Check the listing for details. NIB CONTEC CMS50D Fingertip Pulse Oximeter Blood Oxygen Saturation. Condition: New. Listed at 14.00 USD. CONTEC CMS50D Fingertip Pulse Oximeter Blood Oxygen Saturation New in box The Fingertip Pulse Oximeter is a non-invasive device intended for the spot-check of oxygen saturation of arterial hemoglobin (SpO2) and the pulse rate of adult and pediatric patients in home and hospital environments. Features: - Accurately measure the pulse oxygen saturation and pulse rate through finger. - Simple bar graph that displays your SpO2, Pulse Rate, and Pulse Strength results. - Small in volume, light in weight and portable to carry with you - Simple operation and low power consumption Technical Parameters: Display Mode: LED display SpO2 measurement range: 0 % ~ 100 % (resolution: 1 %) Accuracy: 70 % ~ 100 %, ± 2 %; PR measurement range: 30 bpm ~ 250 bpm (resolution: 1 bpm) Accuracy: ± 2 bpm or ± 2 %, whichever is greater Accuracy under low perfusion: low perfusion 0.4 %, SpO2 accuracy: ± 4 %; PR accuracy: ± 2 bpm or ± 2 %, whichever is greater. Light interference: compared to the values measured in normal condition and ambient light condition, the deviation is less than ± 1 %. Low power consumption Working voltage: DC 3 V Battery: two “AAA” batteries (not included) Safety class: internally powered equipment, type BF applied part If you have any questions or need additional photos, please do not hesitate to contact me at any time.