If you are looking for a fish tank thermometer with high grade and , I will tell you that our electronic thermometer will be your . We adopt material, can keep it for a long time. Meanwhile, it owns a simple and generous appearance design. Features -Color: White. -Material: Plastic. -Size: About 5.00X3.00X1.50cm/1.97X1.18X0.59inch. -Measuring range: -20~110( degree centigrade) -Accuracy class: 0.1. -Rated voltage: .5V. -Power supply mode: 2 / button batteries (included) -Measurement accuracy: ±1 degree (at normal ). -Owning the and break resistance ability, practical and .. -The installation is simple and fast, very convenient and practical for you to use. -Powered by battery, safe to in the fish tank, convenient and practical. -Fine workmanship and simple appearance ensure its popularity and practicality. -It also helps monitor the living for reptile such as lizard, turtle, etc. Package list: 4 x thermometers