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

Environment and Healthful: Blowing design with 10pcs/20pcs/50pcs mouthpieces(optional) for multiple users. Test yourself, your friends and family with the different mouthpieces. Easy Operation: Just one-button operation, it's easy to turn the device on and test it in seconds. Quick response and resume, easy to operate. Take It With You Anywhere: Lightweight breath alcohol tester easily fits in a pocket or purse, making it a great portable breathalyzer for any occasion. Small size with key chain, lightweight and easy to carry. Backlight LCD Display: With the LCD display, it is easier to read even in less than optimal light conditions and offer professional precision for safe driving. It will give you an alarm by beeping when the allowable limit is exceeded and the warning and danger symbol is displayed. Prevent Drunk Driving: A simple method to analysis Blood Alcohol Concentration at anytime and anywhere. Helps prevent drunk driving and travel safely. Drive safely and protect your family.

Batteries required: No. Best Sellers Rank: #131,889 in Health & Household. Customer Reviews: 5.0 5.0 out of 5 stars 1 rating 5.0 out of 5 stars. : B09SKSQK21. Manufacturer: Zerone. Item Weight: 2.12 ounces. Product Dimensions: 3.94 x 3.94 x 3.94 inches.