Item Type: LCD Digital Aquarium Thermometer Material: Plastic Product Size: Approx. 5.8 x 3.8cm / 2.28 x 1.49in Temperature Range: -50 - +70 Operating Temperature: -10 - +50 Resolution: 0.1 Accuracy: 1 Battery Type: LR44 Button Battery x 1 (matching Battery Shipment) Battery Model: 1.5V Battery Capacity: 160mAh Material: Plastic Purpose: Suitable for Aquariums and Fish Tanks Weight: Approx. 35g / 1.23oz 1This LCD digital aquarium thermometer is made from quality plastic material, which is sturdy and durable. 2The suction cup is included, which is easy to use, and the temperature readings to within 1 degree. 3With large LCD screen display, the number and information can be read easily, compact design for convenient use. 4Temperature range ?50 degree Celsius ~ + 70 degree Celsius. Operating temperature ?10 degree Celsius ~ +50 degree Celsius. 5F and C can be freely switched according to your needs, providing you with more convenience.1 x LCD Digital Aquarium Thermometer 1 x Suction Cup 1 x Button Battery