About This 【2 Packs 4-IN-1 Detection System】This enhanced 4-in-1 Natural Gas Leak Detector & Carbon Monoxide Detector combines natural gas detection, carbon monoxide sensing, temperature monitoring, and humidity measurement. Featuring dual-sensor technology and a reinforced alert mechanism, it delivers rapid environmental analysis and comprehensive protection for household security through multi-dimensional hazard prevention. 【Instant Alert Technology】RV carbon monoxide detector system activates visual and auditory warnings (≥85dB) when detecting critical thresholds (CO levels ≥150PPM / gas density ≥5%LEL). Flashing crimson indicators paired with piercing alerts ensure immediate threat recognition, enabling swift emergency response to safeguard loved ones in residential and mobile environments. 【Energy-Efficient Operation】Designed with sustainability, this US-standard plug adapter supports 110V-220V AC power with ultra-low standby consumption (≤2W). Its advanced electronic sensor technology eliminates frequent maintenance through extended operational longevity, offering an eco-conscious solution that reduces both energy waste and replacement costs. 【Bright LCD & Space-Saving Build】Features a bright LCD color display for easy reading of gas levels in real time, Detects carbon monoxide (0-2000 PPM) and natural gas (0-10% LEL). Compact design fits seamlessly in homes, RVs, hotels, and cruise cabins without taking up space. 【Initialization Guidelines】Allow 180-second environmental calibration post-installation. Conduct system verification through the manual test button to confirm alarm functionality. For optimal measurement precision, let the device stabilize thermally for 30 minutes before relying on humidity/temperature readings, ensuring sensor accuracy through proper thermal equilibrium. Overview Brand : NICGOL Style : GAS/CO-2 Pack Power Source : AC Color : Black Product Dimensions : 4.7"D x 2.05"W x 2.05"H Item Weight : 0.36 Pounds Alarm : Audible and Visual Operating Humidity : 0-99%(±5%) Upper Temperature Rating : 176 Degrees Fahrenheit Sensor Type : Catalytic
