On Call® Extra

Advanced Biosensor Technology for Fast and Accurate Glucose Testing
Auto calibration inside every strip
Accurate results that comply with ISO 15197:2013
Results in just 4 seconds with only 0.4 μL blood sample 

User-friendly Features for Easier Diabetes Management 
Audible fill detection
Strip ejector eliminates contact with used strips
Re-apply a second drop of blood within 3 seconds to avoid wasted strips
Large display with bold numbers for better visibility
Set up 5 daily testing reminders

Smart and Powerful Data Management
300 test memory with date and time
7, 14, 30, 60 and 90 day averaging for pre-meal, post-meal, and all test results
Test results can be automatically marked as pre-meal or post-meal based on time of day
Easy USB connection to On Call® Diabetes Management Software allows better data analysis
Hypo, hyper and ketone warnings alert users to take necessary actions

510(k) cleared, CLIA Waived, CE Marked