LYCHL Indoor Air Quality Monitor Formaldehyde Detector HCHO Monitor VOC Meter Temperature & Humidity Meter with Alarm Clock
- ... 0.101-0.130mg/m³: value display is yellow, alarm every 15 seconds.
- 0.131-0.300mg/m³: value display is orange, alarm every 5 seconds.
- 0.301-0.500mg/m³: value display is red, alarm every 2 seconds. When the alarm is activated, any key can be used. During the alarm period, pressing any key will clear the alarm..
- 【Portable and Easy to hang on】Comes with the adhesive strip.Design with hang hole. You can hang the HCHO monitor on the wall very easy or move it to place on the desk. The portable smart carbon dioxide detector can help us detect the carbon dioxide content in the living room, kitchen, bedroom, office, school, car, hotel, travel, camping, party, etc..
- 【Flexible Power Supply&Warranty】Formaldehyde Meter is powered by 5V2A(USB cable comes, plug not included). If you would like to carry it out, 18650 battery will be recommended. AA battery is backup one.(Batteries not included). We offer 7*24 hour customer service and 12-month warranty.If you have any question, please contact us..