Temperature accuracy within ± 0,18 Fahrenheit. The aquarium thermometer with accurate sensors helps you monitor the temperature of your aquarium. The measuring temperature range is 32 Fahrenheit z210 Fahrenheit. Please note there is a deviation of ± 0,18 Fahrenheit [touch 10 seconds to light up straw to save] The temperature module of the digital aquarium thermometer is easy to use. Touch the screen to light up to confirm the water in your pool has the right temperature for you. e Battery life: The thermal tank fish's built-in 3-V battery button keeps the battery going. Mini, easy to operate. The digital thermometer is suitable for water types such as fresh water, tap water, salt water, seawater. to offer your beloved pets the most gentle watering. Sensor for wireless temperature measurement: no probe with cable required. The digital aquarium thermometer with an accurate temperature sensor the back for 10mm or thinner tank thicknesses. Reusable sticker for easy installation: put the back there and stick the aquarium thermometer to the outside of the tank. The glue can be applied repeatedly. Dimensions: 5.3 x 1.5 cm. Package contents: 1 x aquarium thermometer. Other products are not included. Note: Due to the light reflection and screens, the color of the photos and the actual product may differ. The permissible measurement error is +/- 1-3 cm.