Package: Breathalyzer * 1 keychain * 1 Mouthpieces * 10 Technical parameters sensor: High-precision semiconductor alcohol sensor Scope of examination: 0.00 ~ 0.19% BAC 0.00 ~ 0.99mg / L 0.00 ~ 199 mg / 100ml Alarm point: 0.05% BAC 0.25 mg / l of 50 mg / 100 ml Accuracy: ± 0.01% BAC ± 0.05 mg / L; ± 10 mg / 100 ml (At the alarm point 0.050% BAC 0.250mg / L) Response time: 3s Warm-up time: 10s Operating voltage: 2 AAA alkaline batteries (not included in the package) Working current: =120mA

unit_count_type Count. ?DETECTION RANGE? 0.00-0.19% BAC (0.0-1.9 g / L), Fast Detection Results, Fast Response and Resumption. ?HIGH-PRECISION DIGITAL BREATHING ANALYZER? With advanced semiconductor sensor, an accurate display is guaranteed in a short time. ?WITH TAIL LIGHT LCD DISPLAY?Night display and professional accuracy for safe driving. Set the breathalyzer to turn off automatically to save power after you complete the test for 5 seconds. ?EASY TO USE? Just press the power button for 2 seconds to start the professional breathalyzer, wait 15 seconds to warm up, then blow with the tester for 5 seconds. The result is ready in 3 seconds and is displayed on the LCD screen for 15 seconds. ?PORTABLE DESIGN? This professional breathalyzer takes up little space and can be easily carried anywhere in your wallet or pocket. Great for weddings, parties, celebrations, or any other social activity, ensures safe driving after drinking.

Best Sellers Rank: See Top 100 in Health & Household. : B09CM5QR3P. Manufacturer: OFZVEO. Date First Available: June 15, 2021. Package Dimensions: 5.83 x 4.37 x 1.42 inches; 2.89 Ounces.