Features: Ensure your safety with this portable carbon monoxide detector. Detect and test various types of combustible gases quickly and accurately. High precisions sensors provide fast response and accurate measurements. The color lcd display with backlights automatically adjusts to the measured concentration, ensuring clear visibility. Designed for a wide range of users, including industrial workers, homeowners using natural gas, and firefighters. Suitable for detecting leaks in water heating devices, gas pipelines, industrial waste gases, oil stations, and more. Keep your surroundings safe from potential hazards. With its compact size and easy to use features, this carbon monoxide detector is a must have for anyone concerned about their safety. Stay alerts and prevent accidents before they happen. Specifications: Material:Plastic Size:As Picture Shown Color:Black Battery: 3x1.5V AAA alkalinebattery (not included) Display: color LCD backlights displayTemperature test range: 0-50℃/32-122℉, 2℃/4 ℉. Temperature resolution: 0.1℃/0.2℉. Measurement accuracy: 5% f Sampling method: diffusion type Response speed: 2 seconds Calibration mode: 30 seconds automatic calibrationis on. Automatic shutdown: about 10 minutes. Alarm mode: sound, screen display Low battery indication: Yes. Warm-uptime: 30 seconds Operating current: 190mA Working temperature: 0-50℃ Working humidity: 0 ~ 70%rh Storage environment: -10-50C(5%-95%RH) Length of metal hose: 260mm Package Includes: 1x Carbon Monoxide Detector note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.