M800 Human Handheld Pulse Oximeter is easy to use. Handheld design is compact, lightweight and portable streamlining patient care. Product Features 2.4" OLED display with high resolution: 320 240 pixels Gravity sensor automatically changes the direction of display Visual and sound alarms IPX1 degree of protection against ingress of liquids Convenient AA size alkaline or rechargeable lithium batteries 3 AA batteries provide 16 hours of continuous operation Max 80000 groups short trend data can be stored and retrieved Infrared communication with computer Safety Standards SFDA classification: 11 CE Classification: 11b Type of protection against electronic shock: 11, with internal power device Degree of protection against electronic shock: CF Degree of protection against ingress of liquid: IPX1 Equipment type: handheld Mechanical Dimension: 58.5mm(W) x 123mm(H) x 28mm(D) Weight: 16 hours for normal measurement status Display: 2.4” OLED320*240 pixels Sound: Gives audible alarm, button tone and beep tone Supports Pitch tone and multi-level volume Alarm tones meet the requirement of IEC 60601-1-8 Data Storage Displaying way: Trend tabular Trend interval: 2 seconds to 30 minutes Trend parameter: PR, SpO2 Trend data: Spot-check mode: ID from 1 to 99,300 group for each ID Continuous monitor mode: 60000 group can be stored. Patient Range Adult, pediatric and neonatal patients BLT Digital SpO2 Range: 0-100% Resolution: 1% Accuracy: 70% to 100%: ±2% 0% to 69%