KT902Product name:Alarm Temp Detector Thermometer For Fish PetMaterial:ABSApplication:WaterBattery:1.5V LR44Resolution:0.1 C(0.1 F)Feature:Quick ResponseDisplay:Liquid Crystal Display (LCD)Type:Non-contactUsage:Universal Testing Machine

• Easy to use and install: Insert the battery, close it, then press the C/F button( which it's under the battery cover, need a paper clipper to click); then tear down the film and stick it to the outside of your fish tank.
• 2 in 1: Measure the water and room temperature at one time
• Widely used: The fish tank thermometer is ideal for any aquarium. No matter if saltwater or freshwater. Used in the aquariums and reptile feeding box, ideal equipment for monitoring the temperature.