[Features] Touch-On Aquarium Thermometer, Off when idle and On after touch See the temperature 24 Hrs a day without outside light source Dimension: 1.7*1.7*0.5 IN, Compact Design but Large Number Fashionable Design and Great Decoration for Aquarium [product information] product name:electronic thermometer color:silver Material:ABS size:1.7*1.7*0.5 IN Packing list (you can get after purchasing one item): electronic thermometer x1 Please understand: 1. Due to the long shipping time, the item may be damaged during the shipping process, if the item is damaged, please leave us a message through the official website immediately before posting comments, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Colors may vary from monitor to monitor.