Now you can monitor the temperature of oil in your turkey fryer from up to 150 feet away! This transmitter features a long probe that extends 12 inches deep into hot oil. It is capable of measuring oil temperatures from 14 F to 410 F. The user programmable receiver sounds an alert if oil gets too hot or cool. It calculates average oil temperature during the entire cooking process and displays actual and average oil temperature as well as cooking time. This thermometer features a 10 hour count up - count down timer. This set includes transmitter receiver 4 AAA batteries and instructions.