Specification Name: Smart cooling fan for reptile tank with LED display Material: PP Color: black Noise: 28dB Size: 11.3*8.5*2.5cm/4.41*3.32*0.98 inches DESCRIPTION CLEANS THE AIR: Our reptile enclosure ventilation fan creates a cool breeze for your pet and eliminates odors by promoting air exchange and improving air circulation, ensuring your pet's comfort and superior air quality. EASY INSTALLATION: With no tools required, place the ventilation fan on the top grid or hang it from the enclosure. This provides you with greater freedom and ease in creating a comfortable shelter for your reptile pet. AUTOMATIC TEMPERATURE CONTROL: Keep your reptile enclosure comfortable with our ventilation fan. It will automatically reduce humidity by 3-5% in minutes, activated by a preset value you set. SAFE AND QUIET: Experience a peaceful environment with our ventilation fan. It efficiently removes hot air at 2700RPM with a noise level of only 28dB. the strong air creates a cool, calm atmosphere, perfect for your pet's comfort. IMPROVE YOUR PET'S LIVING ENVIRONMENT: Breathe new life into your reptile's environment with our ventilation fan. Promotes air circulation, perfect for rainforest or desert reptiles. product list: 1* temperature controlled fan 1*usb cable