Pulse Oximetry- Evaluating Sensor Off- PCBA-1

Inclusion Criteria: 1. Male or female subjects 18 or older (inclusive). 2. Subject is able to participate for the duration of the study 3. Subject is willing to sign an informed consent Exclusion Criteria: 1. Previous injury or trauma to fingers or hands that may change blood flow or vascular supply and affect our ability to test sensors 2. Physiologic abnormalities that prevent proper application of a medical sensor and electrode 3. Severe contact allergies that cause a reaction to standard adhesive materials such as those found in medical sensors and electrodes