Description 4pcs Fish Tank Thermometer Aquarium Patch Thermometer Water Thermometer Features – Color: Assorted Color – Material: ABS – Size: About 7X6.5X0.5cm/2.75X2.55X0.2inch Package Including 2 x circle Thermometer 2 x sector ThermometerThis water thermometer is small and takes up little space. Two shapes, circle and sector are optional. Powerful suction cup can be attached to the aquarium box, simple and fast. High definition, easy to observe water temperature. top fin thermometer Durable, superior material, can be used for a long time.