• Small in size, and easy to carry
• Color OLED monitor, 8 different display modes

• Alarm setting: (SpO2 Hi/Lo)   (PR     Hi/Lo)
•  (with fingertip direction)

• Pulse histogram and 4 kinds Spo2 wave display
• Easy to use & high accuracy and repetition
• Low voltage alarm display
• Auto power-off after 20 seconds without signal
• Light weight of 55g, batteries included
• Runs on standard  and continuous working time is 30 hours
• have 3 different design and 4 different colos