Our smallest interlock handset with the most reliable technology. Easy blow pattern and simple screen. One of the best interlock devices available.
Blow into the device to register an effective test. No tricky inhale-exhale blow patterns to deal with.
The straightforward display provides clear and easy to read instructions.
Large, limited buttons make for intuitive operation.
View your complete user guide.
This interlock device is a simple, reliable interlock unit that fits comfortably and discreetly in the hand. Our quick guide makes it easy to understand the light patterns and get you blowing and going on your way quickly.
Blow into the device to register an effective test.
Red and green lights quickly communicate at a glance blow, wait, abort, pass, warn or fail.
Download your complete user guide.