Experience quick and reliable BAC testing with this police-grade breathalyzer, featuring advanced electrochemical sensors for ±0.01% accuracy. Power on easily with a 2-second long press; the device completes preheating and detection in just 8 seconds, displaying clear results. Customize BAC thresholds and choose from six units (mg/L, ‰BAC, % BAC, g/L, Mg/100ml, ‰prom) to suit varied scenarios. Compact and lightweight (5.31x2.46x0.87 inches, 0.25 lbs), it’s perfect for personal use, law enforcement, healthcare, and alcohol rehab centers. Built-in rechargeable battery supports up to 500 tests per charge with USB charging and automatic power-off after 15 seconds of inactivity for extended battery life. Includes a portable storage case and 10 hygienic mouthpieces. Stay safe with the audible alert system: a clear "didi" alarm sounds when BAC exceeds 0.050%, signaling safe, warning, and danger levels. Ideal for self-testing at home or on the go to prevent hangover driving risks.
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Breathalyzer, Alcohol Tester with Fuel Cell Sensor, Police-Grade Alcohol Breathalyzer Tester for Home Health Use, with 10 Mouthpieces (Black)
Experience reliable and professional-grade alcohol detection with the EEKTEST EK912 Fuel-Cell Breathalyzer. Designed for home health use, this police-grade device offers ultra-portable convenience and accuracy with a ±0.005% BAC error range. Easily track your blood alcohol concentration within 5 seconds using one-button operation, audible alerts, and an easy-to-read backlit display.
The EEKTEST EK912 features a sleek, compact design that fits comfortably in your hand or on your keychain. Its advanced fuel cell sensor technology ensures police-grade accuracy for trustworthy BAC readings at any time.
EEKTEST - Professional-Grade Alcohol Detection
EEKTEST is dedicated to developing accurate, reliable breathalyzers trusted worldwide. With cutting-edge sensors and police-level precision, safety is ensured without compromise.
Innovation and ease of use come together to offer accessible and precise alcohol monitoring for everyone, keeping safety first at all times.
Enjoy Alcohol, But Know Your BAC
Powered by EEKTEST’s advanced fuel cell sensor, this breathalyzer provides quick and reliable BAC results with the simple press of a button. It’s your trusted companion for responsible drinking.
BAC Clarity in Seconds: Get your blood alcohol level instantly while enjoying your drinks.
Drink Safe, Stay Responsible: Monitor your BAC to keep your night fun and risk-free.
Know When You’re Sober Again: Easily see when your BAC returns to zero for safe planning.
Understanding Result Variations
Please conduct the test 20 minutes after consuming alcohol.
Do not block the air outlet on the back during blowing.
A deviation of ±0.005% BAC caused by blowing variations is considered normal.
Power On & Preheat:
Press the power button to activate the device. The display shows "PH" while preheating: normally for 5 seconds, longer if alcohol concentration is high.
Blowing:
Once the countdown ends and "START" appears, blow steadily into the mouthpiece within 20 seconds until the beep sounds to ensure accurate results.
Analysis Phase:
During processing, buttons are disabled. Results display for 15 seconds before the device powers off automatically for convenience and power saving.
Error & Restart:
Displays "Err" if testing is interrupted or insufficient air is blown. To reset from error or "FL" mode, press the power button once to return to ready state.
Designated Driver
After drinking, if your BAC is below 0.04%, you can safely drive yourself and everyone home securely. An ideal safeguard for responsible driving.
Business Gathering
Use precise BAC data to politely communicate your limits in social or business settings, maintaining both health and etiquette when needed.
Trust from Traffic Police
The EK912 delivers results identical to law enforcement devices, making it perfect for quick pre-drive personal checks to avoid drunk driving risks.
Trust from Doctors
The device stores 123 BAC test records for medical professionals to review historical data, supporting accurate health assessments and care.
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Size
S
M
L
XL
Men
7-10
10-13
13-15
15-17
Women
7-9
10-12
13-14
15-16
Example Shown : SIZE XL, Hem to Hem 84cm OR 33 ,SIZE L, Hem to Hem 84cm OR 33 ,SIZE M, Hem to Hem 84cm OR 33 ,SIZE S, Hem to Hem 84cm OR 33
Rated 5.00 on the scale 1 - 5 based on 3 customer reviews
Jamie L.
12/09/2025
Absolutely Essential Safety Gadget!
Wow, this police-grade breathalyzer blew me away with its speed and pinpoint accuracy! It’s so easy to use—just a quick press and I get reliable BAC readings in seconds, plus the customizable settings make it perfect for any situation. The compact design, rapid USB charging, and those handy alerts give me real confidence before driving—total peace of mind at home or on the go!
Derek P.
12/09/2025
My Reliable Roadside Companion
After a friend’s close call with a DUI, I looked for a breathalyzer to stay safe and responsible. Before this, I relied on guesswork after a night out, but now I just power up my device, exhale, and get accurate readings in seconds. The clear display, compact size, and easy alerts have turned self-testing into a quick habit, giving me peace of mind and helping me make smarter choices every time.
Chris D.
12/09/2025
Surprisingly Easy and Super Accurate—Gave Me Peace of Mind
Last New Year's Eve, I wanted to double-check before driving home, and this little breathalyzer was a lifesaver. It warmed up fast, was easy to use (even after a couple of drinks), and gave a clear readout in seconds. Love that it's small enough for my bag and has an alert to tell me when it's definitely not safe to drive—no guesswork needed!