Lifegard Aquatics Big Digital Temp Alert displays both aquarium water temperature and room temperature. Large display digital thermometer with Alert feature.
Has four Alert features (Alarm will sound and LED flashes): High Temp Alert Only (Probe) Low Temp Alert Only (Probe) Both High & Low Temp Alert Only (Air/Room)Both High & Low Temp Alert Only (Probe) Lifegard digital thermometers are used for aquariums, reptiles or greenhouses.
All include a long-life AAA battery, plastic probe with suction cup and cord. All models are safe for salt or fresh water use.