Features: 1.A simple method to analysis Blood Alcohol Concentration at anytime and anywhere. 2.Helps prevent drunk driving and travel safely. 3.Quick response and resume, easy to operate. 4.Small size with key chain, lightweight and easy to carry. 5.Digital alcohol tester with audible alert. LCD display gives you clearer view. Specification: This digital alcohol tester helps prevent drunk driving and travel safely. Quick response and resume, easy to operate. Small size with key chain, lightweight and easy to carry._x000D_ _x000D_ Features:_x000D_ _x000D_ A simple method to analysis Blood Alcohol Concentration at anytime and anywhere. _x000D_ Helps prevent drunk driving and travel safely. _x000D_ Quick response and resume, easy to operate. _x000D_ Small size with key chain, lightweight and easy to carry. _x000D_ Digital alcohol tester with audible alert. LCD display gives you clearer view. _x000D_ Environment and healthful. Blowing design with 10pcs/20pcs/50pcs mouthpieces(optional) for multiple users. _x000D_ _x000D_ Specification:_x000D_ Condition: 100% Brand New_x000D_ Item Type: Alcohol Tester_x000D_ Color: Black_x000D_ Mouthpieces Qty: 10pcs, 20pcs, 50pcs (Optional) _x000D_ Battery Type: 2pcs * 1.5V AAA Batteries(Not Included)_x000D_ Range: 0.00 -0.19% BAC, (0.0-1.9g/l)_x000D_ Pre-heat Time: Within 10s_x000D_ Corresponding Time: Within 5s_x000D_ Working Temperature: 5 ~ 40_x000D_ Auto off: approx. 1 min _x000D_ Size: approx.112 * 68 * 22mm/4.4 * 2.7 * 0.9inch_x000D_ Package Weight: Approx.63-111g_x000D_ _x000D_ Package list:_x000D_ 1 * Alcohol Tester (Batteries Not Included, No Backlight)_x000D_ 20 * Mouthpieces_x000D_ 1 * Manual PackageList: