Jamaican Black Castor Oil

100-Watt heater designed for aquariums up to 30 gallons Displays water temperature digitally in Celsius or Fahrenheit Precision temperature control allows for increments ( or -) of 0.5 degrees VueTech® system will change display colors if set temperature varies /- 1°C or /- 2°F (blue = low, green = safe zone, red = high) Integrated fish guard provides added protection Slim mounting bracket For use in freshwater and saltwater aquariums