22 HOBBIES AK3 control sensor 1200 mAh battery 1.25 x 2.63 x 3.86 in 0.41 lb
Monitors indoor CO₂, TVOC, formaldehyde, temperature and humidity with a colour display and audible alarm, running 9–10 hours on a 1200 mAh battery
- Product name22 HOBBIES AK3
- size dimensions1.25 in x 2.63 in x 3.86 in
- styleModern
- weight0.41 pounds
- description22 HOBBIES, AK3, Audible, Battery Powered, 1.25 L x 2.63 W x
- notesAudible, 22 HOBBIES, AK3, KQ-1, 1.25 L x 2.63 W x 3.86 H inc
- 8-in-1 monitor tracks CO₂, TVOC, HCHO, AQI, temperature & humidity
- High-accuracy sensor delivers 0.5% measurement precision for reliable readings
- Colour display shows five real-time metrics with colour-coded air-quality levels
- Built-in 1200 mAh battery runs 9-10 hours and recharges in 3-4 hours via USB-C
- Compact 1.25 x 2.63 x 3.86 in design weighs 0.41 lb for easy portability
Indoor air monitor with 1200 mAh battery
The 22 HOBBIES AK3 measures AQI, CO2, HCHO, TVOC, temperature and humidity in real time. A built-in 1200 mAh battery provides 9-10 hours of continuous use and recharges in 3-4 hours via Type-C. The compact white unit weighs 0.41 lb and fits on a desk or shelf. An audible alarm sounds when readings exceed safe thresholds.
Home owners and office workers tracking air health
Suits anyone who wants immediate visibility of five air-quality metrics without a permanent installation. The portable design moves between rooms, a car or a hotel. Buyers who need logged history, wireless alerts or multi-room coverage should look at a different class of device.
0.5 % measurement accuracy
The sensor chip delivers 0.5 % accuracy across all monitored parameters. This single figure determines whether the AK3 meets the precision required for your specific health or compliance needs.
Highlights
- 8-in-1 monitor tracks CO₂, TVOC, HCHO, AQI, temperature & humidity
- High-accuracy sensor delivers 0.5% measurement precision for reliable readings
- Colour display shows five real-time metrics with colour-coded air-quality levels
- Built-in 1200 mAh battery runs 9-10 hours and recharges in 3-4 hours via USB-C
- Compact 1.25 x 2.63 x 3.86 in design weighs 0.41 lb for easy portability
Specifications
| Brand | 22 HOBBIES |
|---|---|
| Model | AK3 |
| Product name | 22 HOBBIES AK3 |
| size dimensions | 1.25 in x 2.63 in x 3.86 in |
| style | Modern |
| weight | 0.41 pounds |
| description | 22 HOBBIES, AK3, Audible, Battery Powered, 1.25 L x 2.63 W x 3.86 H inches, KQ-1, Modern |
| notes | Audible, 22 HOBBIES, AK3, KQ-1, 1.25 L x 2.63 W x 3.86 H inches, 0.41 pounds, Battery Powered, 2025-03-18T13:32:03.561Z |
Questions about this item
How long will the 1200 mAh battery run the monitor between charges?
The built-in 1200 mAh battery provides 9-10 hours of continuous operation and takes 3-4 hours to recharge via the included Type-C cable.
What connection does the Type-C cable use for charging and data?
The supplied Type-C cable handles both charging the internal battery and data transfer when linked to a computer or power source.
Will the 1.25 x 2.63 x 3.86 inch case fit on a standard bookshelf?
At 1.25 in deep, 2.63 in wide and 3.86 in high it sits easily on any shelf, desk or countertop without overhang.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
Unique-Bargains 10PCS DC12V Active Alarm Buzzer 12mm x 9.5mm
SNOM TECHNOLOGY D7XXWALLMOUNT Wall Mount for D7xx Series control sensor
- Others



