Product information and features: Features: Digital alcohol test with audible alert Range: 0.00-0.19% BAC & 0.0-1.9g/l Quick response and resume Auto power off Use 2x ” AAA” alkaline batteries Specifications: Sensor: Advanced semiconductor oxide alcohol sensor Range: 0.00% – 0.19% BAC (0.0-1.9g/l) Power input: 2 x 1.5V ” AAA” alkaline batteries Operating time: Warm up 10s, response <5s Dimension: 95x69x18mm