• Oxygen level and pulse rate are displayed numerically while a bar graph shows the pulse in real time
• Compact, unit is completely self-contained, with no external devices
• Perform approximately 500 spot checks on a single charge
• Includes a USB charger and two batteries – use one while charging the other
• Backlit OLED display
• Can be customized with the touch of a button to view results in two sizes and four orientations (top, bottom and each side)
• Oxygen level and pulse rate are displayed numerically while a bar graph shows the pulse in real time. One Piece Does It All
• Entire housing is made of durable rubber – not plastic – so it resists cracking and chipping when dropped
• Worry-Free Battery Power - Perform approximately 500 spot checks on a single charge
• Automatically shuts off eight seconds after finger is removed to conserve the battery

Specifications for HCSFSAT02:

• SPO2% display range 70%~99%
• Pulse Rate display range 30~235 BPm
• Pulse Rate display mode bar graph
• Battery Model lir2032
• Type lithium-ion rechargeable cell battery
• Weight 1.6 oz. (including a lithium battery)