Features: <br> <br>With a Large LCD screen: easy to read the temperature at a glance. <br>Very precise: this thermometer is accurate enough to create readings within 0.1 degree. <br>No sensor cable needed, simply attaches to the interior of your aquarium with the suction cup. <br>High and low temperature automatic alarm: default high temperature 28℃, low temperature of 18℃. <br>Wireless with integrated probe and waterproof design, perfect for fish tank or other place. <br> <br>Specification: <br>Type: DC16 <br>Weight: Approx.34g/ 1.2oz <br>Size: Approx.52 * 32 * 20mm/ 2 * 1.3 * 0.8in <br>Accuracy: ±0.1℃ <br>Temperature Range: 0℃-37℃/32℉-99℉ <br>Battery: 1.5V AG13 * 1 (Not Included) <br> <br>Package List: <br>1 * Digital Thermometer <br> <br>Note: <br>Please allow slight error due to manual measurement. Thanks for your understanding.<br>1、With a Large LCD screen: easy to read the temperature at a glance. <br>2、Very precise: this thermometer is accurate enough to create readings within 0.1 degree. <br>3、No sensor cable needed, simply attaches to the interior of your aquarium with the suction cup. <br>4、High and low temperature automatic alarm: default high temperature 28℃, low temperature of 18℃. <br>5、Wireless with integrated probe and waterproof design, perfect for fish tank or other place.