eneral Features Type Fingertip Pulse Oximeter Ideal For Adults Operational LED Lights Yes Wavelength of LED 660 660 Red Light, 910 910 Infrared Light Certification Approved Display Display Type LED Display Readings Displayed Pulse Strength Bar Graph, Pulse Rates Indicators Low Battery Indicator Yes Sensor Fault Indicator No Alarm No Convenience Features Auto Shut Off Auto Shut Off Water-proof No Memory No Power Power Supply 2 AA Battery Battery Life 10 Additional Features Use the Advanced Oximeter by Fit Go to Monitor the Oxygen and SpO2 Levels in Your Blood. Get Accurate Results in Seconds. Also, the Product Comes up With Big Backlit Display, Easy to Operate. The Product is Light in Weight and Easily Portable Dimension Width x Height x Depth 32 x 38 x 58 mm Weight 70 g Warranty Service Type For Any Query Customer Needs to Call us on our Customer Care No.: 01140415965 or Mail us at support@smarttechoverseas.com Not Covered in Warranty Liquid or Physical Damages Covered in Warranty Manufacturing Defects NO Warranty coverage on this product