4-In-1 Plug-In Gas Detector Carbon Monoxide Combustible Gas Temperature Humidity Monitor With High Sensitivity & Alarm, US Plug(Black)

1. This four-in-one plug-in detector is your comprehensive monitoring solution for home or workplace. It continuously detects carbon monoxide (CO) and combustible gas (GAS) leaks while monitoring ambient temperature and humidity. Its clear display and alarm functions provide essential safety and environmental status alerts.
2. The devices LCD screen simultaneously displays all four parameters. Large digits and unique icons for CO, GAS, temperature, and humidity make data easily readable, even for non-professional users.
3. Equipped with reliable Winsen brand sensors, it offers high sensitivity and accurate detection. It features an intelligent dual-stage alarm system with different alerts for "routine warning" and "emergency alarm" levels, providing clear warnings based on severity.
4. Designed for long-term placement, it operates on standard plug-in power (no batteries required or included). The device allows you to freely switch the temperature display unit between Celsius and Fahrenheit as needed.

Specifications:
1. Material: ABS
2. Weight: 84 g
3. Product dimensions: 106 x 55 x 53 mm
4. Detection range:
--CO (0-500 ppm)
--GAS (0-100% LEL)
5. Resolution: CO (1 ppm), GAS (1% LEL)
6. CO alarm thresholds:
a) 50 PPM - 99 PPM: Routine alarm
b) 100 PPM or above: Emergency alarm
7. Gas alarm thresholds:
a) 4% - 7%: Routine alarm
b) 8% or above: Emergency alarm