The detector is made of ABS, and it is safe and non-toxic. It is lightweight and portable, easy to carry. It is reusable and durable for long time use. <br> <br>Features: <br>Made from ABS, safe, non-toxic and odorless. <br>You can use the detector to detect the formaldehyde and PM 2.5, and it can keep you safe and healthy . <br>Reusable and durable: it can be used repeatedly and durable for long time use . <br>Lightweight and portable, easy to carry, and it will not occupy much space. <br>Comes with the LED display, easy to use. <br> <br>Specifications: <br>Condition: 100% Brand New <br>Material: ABS <br>Color: Grey <br>Size: approx. 7*16.5cm/ 2.75* 6.49in <br>Weight: approx. 351g/ 12.38oz <br>Voltage: DC5V <br>Battery: Built-in Battery <br> <br>Package List: <br>1* Formaldehyde Detector <br> <br>Notes: <br>1. Please allow 0-2cm error due to the manual measurement. Thanks for your understanding. <br>2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.<br>1、Made from ABS, safe, non-toxic and odorless <br>2、You can use the detector to detect the formaldehyde and PM 2.5, and it can keep you safe and healthy <br>3、Reusable and durable: it can be used repeatedly and durable for long time use <br>4、Lightweight and portable, easy to carry, and it will not occupy much space <br>5、Comes with the LED display, easy to use