Goodhd BR-11 CO2 Detector Portable Handheld Air Quality Monitor CO2 Detection Tool

Features: - Brand new and high quality - Made of high quality materials durable - With a 2.8-inch TFT display you can see the data more clearly and give you a better experience. - The product is small so you can take it with you wherever you want to use it. - Wide range of applications: You can use this product for home air detection car air detection office air detection etc. - With sound alarm function let you know can give you a better experience. - There is also a screen backlight function which can be turned on or off by pressing the R key according to the environment. - White screen detection black two screen detection gray can record 10 hours of data. - Both functions are exactly the same just the color is different Specification: - material: plastic - Commodity name: Carbon dioxide detector - Product model: BR-11A (white) BR-11B (black) - optional - Product weight: 120g (without battery) - Product size: 105mm*70mm*30mm - Detection range: 400~57000ppm - Resolution: 1ppm - Power Mode: USB connection or AA batteries (battery and USB cable not included) Package Included: 1 * CO2 detector (optional) 1 * User Manual Notes: 1. Due to various factors such as display brightness and light brightness the actual color of the product may be slightly different from the website picture. 2. Please allow a slight deviation between the data and the manual measurement.