The ETI aquarium thermometer features a large LCD display, max/min memory function to record the highest and lowest temperatures and an audible alarm. Temperature is measured over the range of -49.9 to 69.9 ???C with a resolution of 0.1 ???C and an accuracy of ???1 ???C.

The ETI thermometer incorporates two temperature sensors, a remote water resistant probe with one metre PVC lead that is place inside the fish tank and an internal sensor for the room temperature. The remote probe can be mounted onto the aquarium wall using the suction pad supplied. The thermometer is housed in a durable ABS case and incorporates a foot-stand for shelf mounting.