Portable Carbon Monoxide Detectors, Vzmcov 3 in 1 CO Alarm,Temperature,Humidity and Carbon Monoxide Value Easy to Use CO Detector,Built-in 1000mAh Battery, Indoor/Outdoor (3pack) - Shenzhen Kanghua Shengshi Industrial Co.,LTD

• UPC   742440998348
• This is a three in one carbon monoxide detector and Meter Temperature Humidity Sensor. This mini design product is specifically designed for outdoor, mountaineering, and other outdoor and indoor use. Equipped with hanging ropes for easy carrying. because this product is mainly used for outdoor use at night.if the light is too bright, it can harm the eyes. So the display screen lights will be relatively dim. High-precision & Sensitivity Sensor - Our 3 in 1 Carbon Monoxide Detectors Meter Temperature Humidity Sensor Use High Reliability Electrochemical Sensor, Excellent Repeatability and Stability, Sensitive Response, Rapid Alarm, so that you can always know the air quality of the environment. LED Digital Display Portable Designed.Built-in 1000 mAh rechargable battery & new power-save mode.Perfect for Outdoor and Indoor Activities,Boats, Vehicles,Stove Heating, Aircraft,Camping Tents,and other Confined Spaces. It is so good helper for you. How to test it ? Carbon monoxide is generated in incomplete combustion and dense smoke. We can take it close to a cigarette or burning paper that produces thick smoke. The CO concentration will change and show on the screen. Don't test it by car exhaust or airy place, too low CO consentration can't not trigger sensor to work. Worry-Free After service - We provide 30 days no reason to refund service. If you have any questions, please contact us, we will solve your problem as soon as possible., Weight: 0.51 Pounds, Manufacturer: Shenzhen Kanghua Shengshi Industrial Co.,LTD