Fish Feedometer 5-1/2 diameter

Floating pond temperature sensor with bright LED indicatorLED indicator lets you know when it's safe to feed your pond fishRed light indicates pond water temperature is below 50FSimplify seasonal koi nutrition with the innovative Fish Feedometer. Floating sensor features a LED indicator that flashes green or red depending on pond water temperature. Red flash indicates water temperature is below 50 degrees Fahrenheit and therefore not safe to feed your pond fish. When pond water temperature is at or above 50 degrees Fahrenheit, the unit flashes green signaling it's safe to feed again. Bright LED indicator can be seen up to 100 feet away, allowing you to monitor pond water temperature from the comfort of your home. Ideal for use during the spring and fall season to determine when to begin or stop feeding pond fish. Tie-down lanyard included. The Fish Feedometer measures 5-1/2" diameter x 5" high. Uses 2 AA Batteries, not included.Please click on "More Information" for tips on seasonal koi nutrition.