• Portable CO2 Detector, 2s Refresh High Accuracy Carbon Dioxide Monitor, 3 in 1 CO2 Meter(Temperature, Humidity and CO2 Value), 96 Hours Standby Time CO2 Monitor for Travel Camping Home Office KWD 21
• Upgraded 3-in-1 Decibel Meter(Temp, Humidity and Sound Level), Sound Level Meter with High Clear Backlit LCD Screen, Portable SPL Meter Range 30dBA-110dBA, Use for Home, Noisy Neighbor KWD 21
• Upgraded Carbon Monoxide Detector Plug in Wall, Carbon Monoxide Detectors with HD Screen&Indicator Visual&Audible Alarm, 3-in-1 CO Detector(CO Gas Meter, Temp and Humidity) for Home RV Travel KWD 10.500
• Carbon Monoxide Detector, High Accuracy CO Detector with Digital LCD Display, 3-in-1 Air Quality Monitor(CO, Temperature and Humidity Sensor), CO Alarm Detector for Home Kitchen Travel KWD 21
• Carbon Monoxide Detectors Support 300-hour Standby Time, Portable 3-in-1 CO Detector (Temp, Humidity, and CO), Alarm Function, Easy to Use CO Detectors for Indoor Outdoor KWD 12.500