Specifications:Material: Plastic + Electronic ComponentSize: Approx. 8.3x4x4.8cm/ 3.27x1.57x1.89"Power Supply: 5V Features:- LCD screen will display the environment PM2.5, temperature, humidity- Suitable for home, car, office, outdoors- Power supply, connect to mrico-usb 5v, mobile phone charger, computer USB, car charger, mobile power, rechargeable treasure can be used- Ultra-small body, easy to carry, anytime, anywhere can detect environmental changes- Simple to use, energy saving, LCD screen and backlight switch separately, saving power while reducing light pollution Package Included:1 x PM2.5 Detector More Details:Price: $79.74Category: Other Electrical Equipment