Description Features: Digital alcohol tester with audible alert. LCD backlight display for easy reading. Quick response and resume. Detect range: 0.00%-0.19% BAC (0.0-1.9g/l). Auto power off. Small size with key chain, light weight, easy to carry. Powered by 3 AAA batteries.(Not included) Specifications: Color: Black/red Sensor: Advanced semiconductor oxide alcohol sensor Detect range: 0.00%-0.19% BAC (0.0-1.9g/l) Accuracy: +/-0.01% BAC (0.1g/l) Warm up time: Within 5seconds Response time: Within 3 seconds Operating temperature: 10 ~ 40 Environmental temperature: 40% ~ 90% Power source: 3 * AAA batteries (Not included) Item size: Approx.132.5*68.5*26 Item weight: Approx. 87g Package size: Approx. 16 * 10 * 30cm Package included: 1 * Breath alcohol tester 5 * Mouthpieces