The Volvo breathalyzer lock device is a safety equipment designed to check the driver’s blood alcohol level before allowing the vehicle to start. It consists of a central unit and a portable device, connected by a spiral cable.

The central unit is marked with the label “ALCOLOCK V3 SERIES” and has a specific serial number. Its dimensions are approximately comparable to those of a standard ruler, as illustrated in the image.

The portable device is also marked with the inscription “ALCOLOCK” and “V3”, having an ergonomic design for easy use. It is connected to the central unit through a spiral cable, allowing the necessary freedom of movement for usage.