About this Brookstone Grill Alert Talking Remote Meat Thermometer:A remote meat thermometer for BBQ takes the guesswork out of grilling. Wireless transmitter sends temperature readings from grill thermometer to the receiver up to 300 feet away. Wireless LCD Receiver Display shows target and current cooking temperatures, while the bar graph tracks your cooking progress. Includes belt clip for added freedom. Features display backlight for nighttime grilling. Uses two AA batteries and two AAA batteries (not included). Materials: ABS plastic.