Features:  Adopt large LCD display screen, you can see the data at a glance, give you a better using experience.  Multiple detecting functions: This device can detect CO2, Carbonic Oxide, TVOC, HCHO, temperature and humidity, let you know the air condition of your home at any time.  The unit of temperature can switch between ℃ and ℉, you can switch to familiar units to use.  It can be widely used in indoor homes, maternal and child rooms, living room, sports and fitness places, business offices, etc.  The four-level pollution level division function, four different colors correspond to different pollution levels, allowing you to more accurately understand the current air conditions.    Specifications:  Material: ABS  Current: 5V 1A  Battery: 1 * lithium battery, 1000mAh (included)  Error: ±15%  Allow: 30%  Package size: 130 * 80 *30mm / 5.1 * 3.1 * 1.2in  Package weight: 260g / 9.2ounce    Packing list:  1 * Air Quality Detector