Hicks N-310 Pulse Oximeter rapidly detects changes in one's blood oxygen level and pulse rate (PR). It has a dual-colored display with 7 different modes and it shuts off automatically after 8 seconds when not used. | Uses: It is designed to measure blood oxygen saturation and pulse rate. | Product Specifications and Features: It has a bright dual-color display with seven different modes Indicates battery status | Pulse rate/Heart rate: Yes | Display (OLED/LCD/LED): OLED | Automatic power-off: Yes | Power consumption- High/Low: Low | Directions For Use: Use as directed on the label. | Safety Information: Read the label carefully before use Store in a cool dry place away from direct sunlight Keep out of reach of the children