The item is a reptile thermometer. This product is constructed with premium ABS material for and practical to use. With magnetic absorb design, just apply it on the metal surface of the aquarium or reptile box. It offers more accurate temperature measurements. Features -Color:White -Material:ABS -Size:4.70X4.70X1.50cm/1.85X1.85X0.59in -Measuring Range: -20 to 60 ° C(Temperature cycle:10s; Resolution ratio:0.1° C) -Humidity Measuring Range:10% to (Resolution ratio:1%) -Battery: 1 x 3V (not included) - and fine craftsmanship, sturdy and durable for a long time. -Designed with magnetic absorb design, it is not easy to fall off when well fixed on the metal surface. -This thermometer can quickly and accurately tells you the temperature anytime due to its large display screen. -This reptile tank thermometer works well with your aquarium or reptile box, practical to use. -Suitable for measuring water temperature in turtle boxes, lizard boxes, etc. Package list: 1 x Reptile Thermometer