zondan A3 Pulse Oximeter  (YELLOW WITH WHITE)

Multi-Colour TFT Display - 4 display modes Big-font display, digital display and plethysmogram display. Direction change manually according to patient observe needs. Audible alarm function, Alarm lamp display and heart rate pulse synchronization Low power consumption, 50 hours continuous to work. Low voltage warning indication in the visual window Automatic power off when no signals for 8s Small and light weight, convenient to carry. Technical Specification 1?Display type: Multi-Color TFT display; 1 inch 2?Spo2 measurement range: 35%-99% PR Measurement range: 30-240BPM 3?Resolution: ±1% for Spo2; ±1BPM for Pulse rate 4?Accuracy: ±1%(90%-99%) ; 70%-89%,±2%; unspecified(?70%) for spo2 5?Low perfusion: ?0.4% 6?Power: Two of 1.5(AAA Size) alkaline batteries 8?Power consumption:<30mA 9?Automatic power-off: The product will automatically power off when no signals for 8s. 10?Operation Environment Operation Temperature: 5?~40? Humidity?30%~90% Air pressure: 70kPa~106kPa Size?63mm X 41mm X 31mm Colour: Yellow