About This

🌼【Exclusive CO Peak Recording Graph】Logs hourly CO levels for the past 8 hours to help you spot hidden spikes and take early action for indoor air safety.
🌼【Customizable CO alert threshold】Set your preferred trigger (10–200 ppm) for bedrooms, RVs, tents, or workshops; screen color changes reflect elevated levels fast.
🌼【Japan-made electrochemical CO sensor (0–1000 ppm) 】Plus ambient temperature (-40–257 °F) and humidity (0–100 %RH) provide accurate, trusted readings for safer indoor air.
🌼【Multi-mode alerts】Choose visual (screen color change), LED, or loud audible reminder (up to ~85 dB) with power-saving or always-on display modes for flexible use.
🌼【Compact & rechargeable 】USB-C 2000 mAh battery (~60 h power-saving) with included stand, lanyard and adhesive. Pocket-sized convenience (0.79″×2.21″×3.52″), ideal for home, travel, RV.
🌼【Long-lasting design】Built with premium components for a service life of up to 7 years, delivering reliable monitoring and better value over time.
🌼【How to Test It】 To confirm the device is working, expose it to smoke from a cigarette or burning paper—the CO reading should rise quickly. Do not use car exhaust or test in open, windy areas, as CO levels may be too low to detect. If there is no carbon monoxide present, the display will correctly show 0 ppm.
📟【Shopping Confidence】Your satisfaction is our priority. This CO monitoring meter uses high-precision, stable, and sensitive sensors with a clear HD display and long-lasting rechargeable battery. We provide lifetime technical support and a 24-hour response through Amazon Customer Service—so you can shop with confidence.

Overview

Brand : JINGCHEN
Style : Portable and professional
Power Source : Battery Powered
Color : Jungle Green
Product Dimensions : 0.79"D x 2.21"W x 3.52"H
Item Weight : 2.85 ounces
Alarm : Sound＆ Flash＆Color
Operating Humidity : 10%-95%
Compatible Devices : CO Monitor, Desktop/hanging/wall mounted/portable/co monitor, humidity meter, thermometer
Upper Temperature Rating : 50 Degrees Celsius

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.