Greenwon Dual Display Alcohol Breathalyzer Alcohol Tester. Features: Dual LCD Display Digital Alcohol Test with Audible Alert. Range: 0.00-0.19% BAC & 0.0-1.9g/l. Quick Response and Resume. Auto Power Off. Real Time & Alarm Timer. Specifications: Sensor: Advanced Semiconductor Oxide Alcohol Sensor Range: 0.00%-0.19% BAC (0.0-1.9g/l ) Test Accuracy: 0.01% BAC (0.1g/l) Power Input: 2*1.5V AAA Alkaline Battery (Batteries Not Included) Operating Time: Warm Up: 10s, Response: <5s Clock Accuracy: +/- 2.0 Seconds/day Model Number: PFT-661S Package Include: 1 X Alcohol Tester 1 X User Manual 1 X Gift Box . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.