Fangrui Product Details 1. Lcd Digital Food Thermometer With Dual Probe Sensors Timer 2. Thermometer Type:digital 3. Material:metal 4. Temperature Range: -20-250 Degrees Celsius. 5. Transmission Distance: 20 Meters To 30 Meters. 6. Wireless Food Thermometers Can Be Used In Ovens, Barbecues, And Kitchen Stoves. 7. The Thermometer Has Two Probes, Two Probes Can Measure Temperature At The Same Time, Set The Alarm Temperature, And Detect The Alarm. The Alarm Temperature Can Be Set Freely, And The Shutdown Does Not Reset The Custom Settings. 8. This Thermometer Has A Magnet On The Back Of The Main Unit And The Back Of The Base, Which Can Be Attached To Iron Kitchen Utensils Or Refrigerators. The Hook On The Back Of The Main Unit Can Also Be Hung In The Pocket. Simple And Portable. 9. With Timer Function: You Can Set The Hour, Minute, Second, Countdown To Zero Alarm. 10. Battery: 4 X 3aaa Battery (excluded)