The Riverkeeper Thermometer is a compact, easy-to-use digital thermometer designed specifically for fly anglers. It's the only IPX7 submersible-rated thermometer in its class, built with a rugged exterior, a large UV-filtered screen, and a durable aluminum probe. Equipped with a replaceable battery, this thermometer is designed to withstand years of tough outdoor conditions. The Riverkeeper provides precise temperature readings, helping you determine when it's safe to fish and when the fish are likely to be most active.

1. To turn the thermometer on or off, hold down the button for 2 seconds. The thermometer will automatically turn off after 3 minutes of inactivity.
2. To switch between °F and °C, quickly press the button three times
3. Submerge thermometer in water and wait for temperature to stabilize
4. If you see the error code "HHH," it means the temperature is above 130°F. If you see the error code "LLL," it means the temperature is below -30°F