Product Description body { font-family: Arial, sans-serif; line-height: 1.6; margin: 20px; } h2 { color: #333; } ul { list-style-type: square; padding-left: 20px; } Carbon Monoxide and Smoke Detector Ensure the safety of your environment with our advanced detector, equipped with an electrochemical carbon monoxide sensor for precise measurement of carbon monoxide and smoke concentrations. Experience peace of mind with its real-time monitoring and comprehensive alert system. Key Features: Continuous 24/7 Detection: This detector continuously monitors carbon monoxide and smoke levels, providing immediate alerts if high concentrations are detected, ensuring constant safety. High-Stability Sensors: With high-accuracy electrochemical and photoelectric sensors, this device delivers reliable detection and minimizes false alarms for dependable performance. Digital Display & LED Indicators: The digital display provides real-time concentration levels, supported by clear LED indicators for low battery warnings, malfunctions, and alarm signals. Both visual and auditory alerts capture immediate attention. Energy Saving: Powered by 3 AA batteries (not included), the device conserves energy with a distinct alarm sound pattern: 4 beeps every 5 seconds for the first 4 minutes, transitioning to 4 beeps every minute thereafter. Wide Applications: Perfect for use in homes, hotels, or while traveling, this detector ensures continuous safety detection across various environments. Specifications: Name: Carbon Monoxide Detector Material: ABS Power Supply: 3 AA batteries (not included) Sensor Type: Electrochemical sensor Carbon Monoxide Detection: 000-999 PPM Sensitivity & Time: Triggers alarms at 50ppm within 60-90 minutes, 100ppm within 10-40 minutes, and 300ppm within 3 minutes Operating Conditions: Temperature: 5℃ to 40℃; Humidity: 20-90%RH Item Size: 107 x 107 x 38mm (4.21 x 4.21 x 1.50in) Package Size: 125 x 118 x 45mm (4.92 x 4.65 x 1.77in) Package Weight: 145g (5.11 ounces) Packing List: 1 x Carbon Monoxide Detector