Precision accuracy and an easy-to-read display make the Sybon Digital Submersible Thermometer the one you want for your tank. Accurate down to plus or minus one half degree with a rangefrom 32 to 176 degrees Fahrenheit. Detects temperatures to one-tenth of a degree.
Includes: (1) transparent suction cup for mounting to glass or a smooth surface in your tank and (2) 1.5v cell batteries (one for spare)
