Advanced features to prevent circumvention
- Senses the temperature and humidity of breath sample to prevent the manipulation by using other instrument. 
- Senses the flow late of breath sample to prevent the manipulation. 
- Senses the minimum sample volume and flow rate to prevent the manipulation.
- Senses the vehicle engine to prevent the start of vehicle without an accepted test.
- Senses the vehicle voltage to prevent the removal of Interlock system from the vehicle.

Meeting reminder & Calibration reminder
The audio alarm and visual reminders help driver get on-time calibration and other services by letting them know the remaining days to calibration and other scheduled appointments.

The data memory - 200,000 events
The every relevant events the driver use with the vehicle are recorded in the AF-i1, and 200,000 log data can be stored at both of Handset and Control Box.

Easy to download data 
The data can be downloaded from either way – Handset and Control Box, which enables driver to easily transfer the data from removable Handset to PC at office or any place.

Easy software program to manage data
For agency’s administrative convenience, it comes with Alcofind’s data management software. This makes it possible to manage and control the history of each drivers.

Working under extreme conditions
The AF-i1 is designed to work perfectly from -40 degree to 85 degree, which allows to use it under severe winter conditions or extremely hot conditions