BACtrack’s premier professional breathalyzer, the S80 is an ideal choice for law enforcement, health professionals or anyone who requires the most dependable BAC results. It features pro-grade Xtend® Fuel Cell Sensor Technology with enhanced linear accuracy, and convenient one-button operation for fast and accurate BAC results. Simply press the power button and begin testing in just seconds. The S80 has been tested by, and meets the requirements of, the DOT/NHTSA for a personal breath alcohol screening device.