Bad breath can cause discomfort, especially in close interactions like being with someone face to face. How can you avoid embarrassing situations? You can try this breath odor tester.This breath odor tester helps you understand your oral odor condition. It is specially designed to check breath quality. You can use it easily and conveniently.Usage: Open the battery compartment, insert 2 AA batteries, and close the compartment. Press the POWER button, and a 9-second countdown will appear. After that, the display will flash "C", and you can breathe out evenly for 3 seconds into the air intake. After one beep sound, the result will display for 5 seconds and then the device will turn off automatically. If you want to test again, simply press the Power button once more.Features: It includes an advanced semiconductor sensor with high sensitivity and fast response. The device is simple and convenient to use. The result is displayed digitally and with cartoon indicators, making it easy for anyone to understand. There are 5 levels of results: Very Good, Normal, Not So Good, Bad, Very Bad. It has a digital LCD with cartoon indication and orange backlighting, which is energy-saving, eco-friendly, and gentle on the eyes. It has a quick response and resumes quickly, with self-checking to show different conditions. The design is portable, compact, and easy to carry. It uses a non-contact method, requiring you to breathe out 5-10mm away from the detector for better hygiene. It has a low battery indicator and is powered by 2 AAA batteries (not included), which provide long service time.Specifications: Sensor Type: Semiconductor Sensor Warm-up Time: 9 seconds Blowing Time: 5 seconds Working Environment: Relative humidity: 95% RH, no dew Power: 2 AAA batteries (not included) Item Size: 95 x 36 x 18mm / 3.74 x 1.42 x 0.71in Item Weight: 36.6g / 1.29oz Package Size: 100 x 50 x 30mm / 3.94 x 1.97 x 1.18in Package Weight: 550g / 1.21lb Package List: 1 x Breath Tester 1 x Manual