Skip to product information
 Rated 4.8/5 (10,000+ Verified Customers)

Make responsible driving effortless with:

Portable Keychain Alcohol Breathalyser

Portable Keychain Alcohol Breathalyser

Regular price £19.99
Regular price £19.99 Sale price £29.99
Sold out

✅ Protect your FREEDOM of driving

✅ Know your intake before driving

✅ Avoid "am I over the limit?” panic

50% OFF TODAY ONLY

  • Free Shipping
  • 30 Day Guarantee
  • 24/7 Support

Know your limit in 4 STEPS

1. Hold the button for 3 seconds


Turn on using the power button

2. Wait 10 seconds to warm up


This assures your device gives you a 99.9% accurate reading.

3. Blow steadily for 3 to 5 seconds


Blow into device for 5 seconds maximum.

4. Instantly receive your alcohol reading


device tells you if you're safe to drive.

Garage Grade UK's Guarantee

Garage Grade UK offers 30 day money back guarantee,

For peace of mind to all customers.

Shipping & Delivery

We process orders within 24-72 hours and deliver them within 6-15 days depending on your location, with tracked shipment included for your convenience.

View full details

Portable Keychain Alcohol Breathalyser

Regular price £19.99
Regular price £19.99 Sale price £29.99
Save 33% Sold out

Don't Gamble Your Freedom Away

Feeling "fine" means nothing to police breathalyser. This device tells you if you're legal or facing arrest. Five Seconds to know the truth vs years paying for one deadly mistake

Keep Everyone Safe Tonight

Drunk driving kills innocent people. One impaired decision can destroy families and make you a killer. This breathalyser ensures you never become the person who "didn't mean for this to happen." Know you're sober enough to protect every life on the road

Drive With Complete Confidence

Stop the anxiety that ruins every night out. No more wondering "was i over the limit?" or lying awake with regret. This breathalyser gives you absolutely certainty so you can enjoy social events without fear of life-destroying mistakes.

See Why Drivers Across The 🇬🇧 Use Our Keychain Breathalyser:

  Others

Instant BAC Reading(5 secs)

Accurate Morning-After Results

Affordable Police Grade Devices

Ultra-Portable Keychain Design

Hygienic Mouthpieces

Never risk driving over the limit without realising

Frequently Asked Questions

FAQ

What are delivery times?

All orders are dispatched within 24 hours

Delivery typically takes 3–7 business days, depending on your location.

How accurate are the results?

Our device uses a high-sensitivity semiconductor sensor that provides a reliable reference reading.

It’s designed for personal safety checks,

giving you a clear idea of whether you’re safe to drive.

How do I use the breathalyser?

Just hold the power button for 3 seconds,

wait for the warm-up, blow steadily, and read your result.

The whole process takes around 10 seconds.

Can multiple people use the device safely?

Yes. it includes interchangeable hygienic mouthpieces,

So multiple people can use it safely and accurately.

Will it help with morning-after checks?

Yes, this is exactly what most people use it for.

It gives you a quick reading so you’re not guessing,

Or risking driving over the limit the next day.

What’s your return policy?

Simple. If Garage Grade™ doesn’t give you value,

You’re covered by our 30 day money-back guarantee.