Detailed Product Description Model:CMS50B Technical Parameters 1.Display Format: LCD 2.SPO2:35-99% 3.Pulse Ratio:30-255 BPM 4. Pulse Wave: LCD Numeric Display 5.Battery Voltage Low Indication: LCD Bar Graph. 6. Power Requirements: Two AA size 1.5V Alkali Battery; 7. ower Consumption: less than 15 mA. 8. Resolution: 1% for SPO2 and 1 BPM for Pulse Ratio. 9. Measurement Accuracy: (+.-)2% in stage of 70%-99% for SPO2 10. (+.-)2BPM or (+.-)2% (Select Larger)for Pulse Ratio. 11.Measurement Performance in Low Perfusion: SPO2 and rate value can be shown correctly when pulse-filling ratio is 0.4%. 12.Interference Resistance Capacity against Ambient Light : Deviation is smaller than (+.-)1% 13.It is equipped with a function switch, through which the Oximeter can be automatically powered off when no finger is in the Oximeter more than 4 seconds. TEL:+86-13784493420(CN) +44 20 8133 598 (UK) +1 305 515 8032 (US) +55 613 717 1422 (BRA) FAX:+86-335-8015590 MSN: contec_tina@msn.cn SKYPE: contec01/tina8761 Email: contec.tinawang@gmail.com