Colala Thermometer - Instant Read best Digital Thermometer for all Food 100% Lifetime Guarantee BBQ thermometer with handy storage case for both home and professional use , Working Batteries Included . temperature range in both Celcius and Farenheit going from -58F to 572F or -50C to 300C. Automative power Shut off - Preserves your battery life after use (Battery Included) Cocala cooking thermometer ,100% Money-Back Lifetime Guarantee for this multi-use Food Thermometer when using