- A large display digital thermometer with Alert feature Displays both aquarium water temperature and room temperature
- All include a long-life AAA battery, plastic probe with suction cup and cord
- All models are safe for salt or fresh water use
Lifegard digital thermometers are used for aquariums, reptiles or greenhouses. The Big Digital Temp Alert has 4 Alert features (Alarm will sound and LED flashes): High Temp Alert Only (Probe); Both High and Low Temp Alert Only (Air/Room); Low Temp Alert Only (Probe); and Both High and Low Temp Alert Only (Probe).