?Why Choose us? Maintaining the correct water temperature in your aquarium can be the difference between success and failure. And while heaters are great for regulating your tank's temperature, their readouts aren't always 100% accurate. Having a precise aquarium thermometer can help you track and adjust your tank's temperature accordingly.Features:? - The screen reader is visible and easy to read ? - With Stably Suction Cup ? - Resilient to room temperature changes ? - Waterproof ? - Wireless ? - Wide temperature range ? - Reliable and less expensive?How Easy is it to Use and Install? The thermometer has one job, so there's no need to buy something that's complicated to set up. All you want to do is to place it in your tank, and away you go.?Accuracy & Range Measuring Range : - 68 °F to 158 °F (-20 °C to +70°C) It is accurate to within at least ± 1 degree Celsius.?Durability It can be fully submergible and It's going to last and stay accurate.?Bonus It includes extra batteries.?Warranty Fischuel Aquarium Thernometer was covered by 12 months Warranty, please feel free to contact us if there is any question about our product.?Notice After setting up, please tighten the back cover of the thermometer for water ingress's issue.