K&H Feedometer Pond Temperature Indicator
The K&H Fish Feedometer is a safe feeding temperature indicator light that is perfect for letting you know when it is time to feed your pond koi & goldfish in the spring and fall. This floating design is easy; the light changes color to alert you when it's safe to feed. Green means it's ok to feed in water temperatures 50 degrees Fahrenheit or over. Red means do not feed in water temperatures under 50 degrees Fahrenheit. This light can be seen up to 100 feet away. Includes a tie-down lanyard making it easy to keep track of your feedometer.
Requires two AA batteries, not included.