Duomi Portable Carbon Monoxide Detector with Temperature and Humidity Sensor, 1000mAh Rechargeable CO Alarm Monitor, High Precision Electrochemical Sensor with Large Display, Compact Mini Meter for Outdoor Camping, Home, Kitchen, Warehouse and Travel Gas Detector

High Precision Dual Function Monitor: This portable detector features an advanced electrochemical CO sensor with a measurement range of 1 to 999 PPM and an accuracy of +/- 50PPM + 5%, ensuring reliable CO leak detection. Additionally, it integrates a precise temperature and humidity sensor, providing a comprehensive environmental view for safety and comfort. Smart Alert System & Clear Display: Equipped with a high-definition large screen, the meter shows CO levels, temperature, and humidity simultaneously. It supports an instant 3-second start-up and rapid refresh with sound and light alarms. Once the measured CO concentration reaches or exceeds the preset threshold (configurable up to 200PPM), the device instantly alerts you to danger with an 80dB buzzer and red flashing indicator, providing immediate peace of mind. Long Battery Life & Portable Design: Built with a high-capacity 1000mAh rechargeable battery, this mini carbon monoxide alarm ensures extended usage time for prolonged trips or daily home monitoring. The Type-C port allows for convenient and fast charging. Its ultra-compact and lightweight form factor (measuring just 137x112x80mm and 165g) makes it easy to carry in your pocket, bag, or hang around your neck during outdoor activities. User-Friendly Design for Daily Use: Featuring an ergonomic and durable ABS casing, this device is built to last. The back stand design allows for upright placement on any flat surface. The easy-to-use control button supports one-key operation for quick power on/off and simple brightness adjustment. The 3D porous air inlet design ensures efficient airflow for faster sensor response and accurate readings. Versatile Application Scenarios: This portable CO tester is your essential safety companion for various environments. Perfect for monitoring air quality during outdoor camping, RV travel, and hiking. It also serves as a reliable safety device for indoor settings such as kitchens, living rooms, warehouses, garages, schools, and restaurants, protecting your family and property from the silent danger of carbon monoxide leaks.