Large backlit LCD display, you can clearly see the amount of electricity, CO2, TVOC, HCHO, temperature and humidity. 0 ~ 2.0 mg/m³ (TVOC). 0 ~ 0.6 mg/m³ (HCHO formaldehyde). Sensor: NDIR infrared carbon dioxide sensor / semiconductor sensor.
eBay
Air Quality Monitor CO2 Meter Carbon Dioxide Detector CO2 CO TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection w/ Alarm
Aliexpress UK
An automatic alarm is triggered when carbon dioxide levels exceed 1500PPM, alerting you to take necessary actions for health safety. This allows users to tailor the device to their specific needs for a more personalized experience.
eBay
Fzone Pro Aquarium CO2 Regulator Pressure Solenoid High Cylinder Valve Accessories Fish Tank Equipment Carbon Dioxide Reducer
Aliexpress UK
Annoying Noise Maker Mini PCB Beeping Prank Noisemaker Hide Prank Device. Water Pressure Lift Sprinkler Outdoor for Kids Air Rocket Toys Rocket Launcher. Eyedrop Bottle Dispenser, Portable Eye Drop Applicator, Reusable Eye Aid.
eBay
36Pcs CO2 Tablets Carbon Dioxide Replenishment Diffuser Fish Tank Aquarium Articles Easy to Use Aquarium Carbon Dioxide Tablets
Aliexpress UK
Large backlit LCD display, you can clearly see the amount of electricity, CO2, TVOC, HCHO, temperature and humidity. Sensor: NDIR infrared carbon dioxide sensor / semiconductor sensor. 1x Air Quality Detector.
eBay
CO2 Tablet Carbon Dioxide Diffuser for Water Plant Grass Fish Aquarium Landscape Design Carbon Dioxide Diffuser Water Plant
Aliexpress UK
CO2 Meter Air Quality Detector Carbon Dioxide Tester UK
eBay
60pcs Aquarium CO2 Tablet Carbon Dioxide Supplements Water Grass Leaf Float Grass Plants Fish Tank Carbon Dioxide Slice Diffuser
Aliexpress UK
1 X Air Quality Detector. Built-in lithium battery: 1200mAh. With LCD Screen Or Not: Yes. Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures.
eBay
CO2 Tablet CO2 Tablet Carbon Dioxide Diffuser for Water Plant Grass Fish Aquarium Carbon Dioxide Diffuser Water Plant
Aliexpress UK
With two gas detection scales, argon and carbon dioxide, it has strong practicability. Item Type: Gas Tester. 1 x Gas Tester.
eBay
CO2 Tablet Carbon Dioxide Diffuser for Water Plant Aquatic Leaf Float Grass Fish Aquarium Carbon Dioxide Diffuser Water Plant
Aliexpress UK
TVOC: 0-9.999mg/m³. HCHO detection range: 0-9.999mg/m³. 1 Air Detector. CO2 detection range: 400-5000PPM. ★ Four-color alarm: There are four different colors to show the different quality of the air being monitored: green for good air quality, and colors from yellow to orange to red for poor air quality.
eBay
Multifunctional 5in1 CO2 Meter Digital Temperature Humidity Tester Carbon Dioxide TVOC HCHO Detector Air Quality Monitor
Aliexpress UK