What It Says On The Box:
Small LCD temperature gauge can be mounted on the front or side of an aquarium, Vivarium, propagator, hatchery or anywhere there is a need to measure temperature remotely. A probe connected by wire is used to sense the temperature. The probe cable is 1m (39") long and has a sucker to hold the sensor in position. Switchable between C or F. Measures from -20C to +110C. Uses LR1130 button cell - supplied with one fitted and a spare.