DUOTESI Portable Carbon Monoxide Tester – Reliable & Compact Safety Solution

High-Accuracy Sensor
Equipped with advanced electrochemical CO sensor for precise detection (0-1000ppm range), ensuring rapid response within 15 seconds. Ideal for homes, garages, and RVs.
Compact & Durable Design
Lightweight ABS housing with anti-slip texture, pocket-sized for portability. Features a built-in clip for easy attachment to belts or bags.
User-Friendly Operation
Single-button control with audible/visual alarms (85dB buzzer + LED flashes) when CO exceeds 50ppm. Includes replaceable AAA batteries for extended use.
Versatile Protection
Essential for detecting leaks from heaters, stoves, or vehicles. Complies with UL2034 safety standards, suitable for travel, camping, and workplace safety checks.
Low-Cost Safety
Budget-friendly yet professional-grade—no maintenance needed. Ships globally with bulk discounts for wholesalers. *(Note: Requires 2x AAA batteries, not included.)*