Features: brand new and high quality The digital thermometer can be brightened by fingerprint for touch. The LED digital display screen can show the temperature clearly. The aquarium thermometer has no probes or messy wires in the water and backside. for Ideal for water or high moisture environments like aquarium terrarium, or vivarium. Suitable for different water types such as freshwater, tap water, salty water, marine water, etc. Use Method: 1. Tear off the adhesive film and stick the thermometer on the outside of the fish for tank below the water level line. After standing for 10 minutes, the temperature can be accurately measured; 2. for Touch to display the real-time temperature, and the display will turn off after 10 seconds; 3. Reminder of battery replacement: low current "Lb" character, please replace the battery in for time. Specifications: Material: ABS Color: Black Size: Approx.4.9x5.2cm/1.93x2.05in Weight: Approx. 80g Temperature Range: 0℃ - 99.9℃ Accuracy: ±0.1℃ Battery Model: CR2032 (Included) Display Mode: LED Screen Package Includes: 1 Piece Aquarium LED Digital Display Thermometer note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!