LSENLTY USB Carbon Monoxide Detectors for Car RV Camping-PTH-21D

USB CO Detector Designed for Outdoor Use: Compared with plug-in carbon monoxide detectors, this portable carbon monoxide detector is small in size (size: 2.1x2.8 inches) and easy to carry. USB CO Monitor Detection Range: This USB carbon monoxide detector has a measurement range of 0~1000 ppm and an accuracy of ±5%. When the carbon monoxide concentration in the surrounding air exceeds 50PPM, the detector will continue to emit an alarm sound reminder of more than 85dB, and the alarm icon on the screen will continue to flash. Easy to Use: Simply plug in the USB-A plug (power current voltage: 5V-1A) and turn on the device. Double-click the middle button to turn the screen off and on. After the screen is off, the warning light on the top lights up green every 30 seconds; long press the middle button to turn the sound off and on. High Precision: Using high-precision probes, the frequency of data collection is high, CO data collection is 2S/time, and the accuracy reaches ±5%. Suitab