These Digital Aquarium Thermometers are waterproofDigital Aquarium Thermometer are to be immersed inside the aquarium and can be secured to the aquarium by the little suction pad.Digital Aquarium Thermometer are ideal to permanently monitor water tank temperature.The in-tank digital aquarium thermom...

Fish R Fun digital thermometer just Stick on glass...

Fish R Fun, Glass floating thermometer with suction cup. ...

These Fish R Fun’s digital thermometer with Hi/low alarm setting is specially designed for aquarium hobbyist.Precise, accuracy +/-1 degree CelsiusWith High/Low temperature setting, custom setting for your own aquariumBeep sound alert when temp is out of rangeSuper bright EL backlight is equipp...