?Useful formaldehyde detector with quick response and high precision. It can effectively protect you and your family from the harm of formaldehyde. <br><br><strong>Features:</strong> <br>This formaldehyde detector is an instrument for detecting indoor concentration of formaldehyde. <br>It also can measure the current temperature and humidity; temperature can be displayed in Celsius(¡ãC) or Farenheit(¡ãC). <br>With quick response and high precision£¬ it can effectively protect you and your family from the harm of formaldehyde. <br>With blue backlight£¬ it is convenient to use at night. <br>Long press the power button to turn on. <br>Ideal for houses£¬ offices or cars. <br><br><strong>Specifications:</strong> <br>Material: ABS <br>Formaldehyde Measurement Range: 0-3mg/m^3 <br>Resolution: 0.01 <br>Typical Accuracy: ¡À10% / 0.02 <br>Temperature Measurement Range: 0-40¡ãC <br>Humidity Measurement Range: 25%-90%RH <br>Battery: 3.7V/1500mAh Rechargeable Lithium Battery <br>Power Adapter: 100-240V 50/60Hz 0.15A <br>Item Size: 13 * 7 * 5.5cm / 5.1 * 2.8 * 2.2in <br>Item Weight: 161g / 5.7oz <br>Package Size: 22 * 11 * 7.5cm / 8.7 * 4.3 * 3in <br>Package Weight: 283g / 10oz <br><br><strong>Package List:</strong> <br>1 * Formaldehyde Detector <br>1 * Power Adapter <br>1 * USB Cable <br>1 * User Manual(English)