Maverick ET-71OS RediChek Remote Wireless Cooking Thermometer With LCD Transmitter Programmable meat thermometer with timer Monitor internal temperature of meats as they cook, both at the source and up to 100' away Wireless receiver displays alert and actual temperatures and beeps when meat is done Use with indoor oven or outdoor grill 4 AAA batteries included Instructions included RediChek Remote Cooking Thermometer by Maverick Monitor internal temperature of meats as they cook, both at the source and up to 100 feet away Wireless receiver displays alert and actual temperatures and beeps when meat is done; Set your target food temperature for anywhere between 110 degrees Fahrenheit and 180 degrees Fahrenheit For use with indoor ovens or outdoor grills Heat resistant probe wire fits through oven door or grill lid and connects to transmitter; Uses four AAA batteries (included)