4-in-1 Upgraded Natural Gas Leak Detector,CO & Gas Detector with Temperature & Humidity, Plug-in Carbon Monoxide Detectors, Portable Gas Leak Detector for Home, Kitchen, RV, Travel(2 PCS)

Ultra-Sensitive Sensor: 2s Response & Instant AlertThe Carbon Monoxide Detectors Equipped with premium electrochemical CO sensor + catalytic gas sensor, it updates data every 2 seconds. When levels hit danger thresholds (CO51 PPM or natural gas600 PPM), it triggers 85dB loud alarm + bright red flashing light. The alarm cuts through silence instantly, ensuring you act fast to avoid poisoning or explosion risks.
Portable Design + Smart HD Display: Take Safety AnywhereThe 4-in-1 Portable Gas Leak Detector Weighs only 0.13 lbsultra-light & compact! Comes with a lanyard for easy carrying, perfect for hotels, construction sites & warehouses. 2.8 -inch LCD color screen shows real-time CO concentration (PPM), gas leak status & environmental data. Clear at a glance even in bright sunlight or dim light.
Battery powered carbon monoxide detector quick start tips: Maximize
PerformanceFor best results: Remove the protective film before use for clearer display; Wait 60 seconds after plugging in to let it adapt to the environment; Press power button again for self-test to ensure all components work normally.