This fingertip pulse oximeter is compact and light in weight, easy to use with only one-key operation. The internal alarm will function while low voltage. Automatically power off after 8 seconds when finger out. The continuous working time can be 39 hours. 
   LED monitor for extended battery life 
   SpO2 and pulse monitoring, and histogram of pulse display
   Easy to use with one-key operation
   Small in size, and easy to carry
   Low voltage alarm display
   Auto power-off after 8 seconds without signal
   Light weight of 50g, batteries included
   Runs on standard AAA batteries and continuous working time is 39 hours
bio-equip.cn
Meditech Group founded in 1998, having 3 daughter companies, is a group dedicated to provide state-of-the-art Medical Equipment with top-ranking quality and upstanding reputation. Meditech one of the leading medical equipment manufactures, involved in R&D, manufacturing and marketing. As a global enterprise, Our products are selling in more than 63 countries around the world.
We have a wide selection of products which are used in hospitals and clinics universally. Such as: Meditech ECG, Patient Monitor, Ultrasound scanner, Pulse Oximeter, Fetal Doppler, Visual stethoscope 
 
All of our products have been approved by ISO13485 and CE Certificates we stick to delivering our high quality product and best service to our global base of customers. 
We believe that during the days of globalization, the most important thing for running a business internationally is to be considerate, modest, creative, steadfast, passionate and industrious. 
Yours Faithfully!
MEDITECH GROUP