Product Name: 4 Color TFT Screen Fingertip Pulse Oximeter Portable Digital Oximeter LK89
Function: test your oximeter pulse rate anytime and anywhere.
Product Color: as the picture shows
Screen: TFT screen 4 colors
Product Size: 60*30*30mm
Product Weight: 47g
Certification: CE/ISO
Place of Origin: China
Power Source: 2*AAA size alkaline batteries
Warranty: 2 years