1. Contactless Analyzer: The alcohol breathalyzer's blow-type design provides secure and dependable testing without any interaction, ensuring accurate and convenient results every time 2. Convenient to Use: With just a and hold of a button, enable the tester to begin, hear the reassuring beep while observing the rapid outcomes on the LED display post 15-second preheating, and a quick blow for precise test results 3. Improved Security: Sends a sound signal and displays three different colors, reminding drivers with a three-color bright alarm design when results exceed standards 4. Eliminating Power Worries: With its integrated 200mAh battery and USB rechargeable design, this portable breathalyzer for accurate readings anytime, anywhere 5. Compact and : Pre-outing self-testing must-have for drivers, and pocket-friendly, ideal for use at parties, dinners, and social gatherings Upgrade your safety on the road with our home breathalyzer. The blow-type design and LED display let you easily check alcohol levels, with a 3-color alarm. Product size: about 2.6x1.4x10.5cm/1.02x0.55x4.13 inches Measurement range: Blowing Battery capacity: 200 mAh Measurement range: 0-200mg/100ml Voltage: 5V Warm-up time: 15s Response time: 10s Color: black Material: ABS Package Contents: 1 * Alcohol Analyzer 1 * Data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.