Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor (SpO2) with Pulse Rate Measurements and Pulse Bar Graph, Portable Digital Reading LED Display, Batteries and Carry Case Included Brand Santamedical Color White Measuring Range 0-100 Percent Number of Batteries 2 AAA batteries required. (included) Model Name JPD-500E About this item ACCURATE, RELIABLE, QUICK READINGS - Clinically tested and proven consistent results. Receive blood SpO2, Pulse Rate, and Pulse Strength results within 8 to 10 seconds on large digital red LED Pulse Oximeter display. SpO2, PULSE RATE, and PULSE BAR GRAPH READINGS - Simple bar graph that displays your Pulse Oximeter SpO2, Pulse Rate, and Pulse Strength results. SUITABLE FOR ALL AGES - Smart design allows for a range of finger sizes to fit into the Pulse Oximeter finger chamber, designed with latex free silicone material. PORTABLE EASY TO USE - Light-weight and compact, easy to handle and to carry with you for results at home or outdoors. Pulse Oximeter is for sport and aviation use only. This device is ideal for use during sports activities such as mountain climbing, running, biking, etc. LOADED WITH ACCESSORIES - Package includes 2-AAA Batteries to power up the Pulse Oximeter, Case to protect the Pulse Oximeter, Neck/Wrist Cord, User Manual.