Temperature accuracy within 0.18Fahrenheit: Aquarium Thermometer with Accurate sensors help you monitor your aquarium's temperature. The measuring temperature range is 32Fahrenheit~210Fahrenheit, please note there is a deviation of 0.18FahrenheitTouch to light up for 10s to save : The digital fish tank thermometer temperature module is easy to read.Touch the screen to light up to confirm that the water inside your tank is the right temperature for your fish.Long Battery Life: The thermometer tank fish built-in 3V battery button, the battery is long-lasting. Mini design, easy to use. Digital thermometer is suitable for different water types such as water, tap water, salt water, sea water, etc., to provide the most comfortable water environment for your beloved pets.Sensor wireless temperature measurement: No need for a probe with wire, The digital aquarium thermometer with a high-precision temperature sensor on the back for 10mm or Thinner Thickness of Tank.Reusable sticker for easy installation: Peel off the backing and stick the aquarium thermometer to the outside of the tank.Adhesive can be pasted repeatedly.Colour:blueMaterial:plasticSize:5.3 x 1.5cmPackage Contents:1 x Aquarium ThermometerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.