Features: The Portable Outdoor Carbon Monoxide Detector combines gas analysis (CO/O₂), environmental monitoring (pressure/temp/humidity), and survival tools (flashlight/stopwatch) with lab grade electrochemical sensors for stable outdoor safety. Featuring high accuracy sensors (CO 0 500ppm ±10ppm, O₂ 0 30%VOL ±5%) and a 3000mAh rechargeable battery, this compact 181g device stores timestamped data via card while operating 7 day on low power mode. Ideal for hikers, campers, owners, and emergencies responders needing real time gas detection and environmental in remote or enclosed spaces. Perfect for monitoring air quality during camping trips, vehicle travel, basement inspections, or industrial leak checks with IP54 splash resistance and 0°C 60°C operate ranges . Its 160 bright flashlight with modes and ergonomic design (30×61×110mm) delivers critical visibility and data logging for adventure safety without compromising portability. Specifications: Component : plastic Size: about 30×61×110mm/1.2x2..33inch Package Includes: 1xPortable Gas 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.