Product name: Fish tank thermometerProduct size: 4.8*4.8*1.2 cm / 1.89*1.89*0.47 inchesProduct color: greenProduct material:plasticProduct features:1. High precision temperature sensing accurate to 0.1 degrees.2. Ultra-low energy consumption and long standby.3. The use of high brightness LED display board, strong light can also clearly see the real-time temperature on the screen.4. Compact body smart design.5. Wanton paste firm does not fall off using soft adhesive, can effectively protect the external temperature sensor adhesive effect is good.Precautions:1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images.2. If you feel difficult to choose the size, you can feel free to contact me we will give you some suggestion, but it is for you reference only.Shipment includes:1 pcs Fish tank thermometer