Fingertip Oximeter

• Low voltage alarm display
• Easy to use one-key operation
• High accuracy and repetition
• Automatic power-off after 8 seconds of idle signal
• SpO2 and pulse monitoring, and histogram of pulse display
• Light weight of 50g, batteries included, small size, portable 
• Two AAA batteries are required for operation with low power consumption, and the continuous working time is 100 hours