1. Operation temperature:-40°C~240?,instantaneous temperature:260? 2. Food grade handle and wire. 3. NTC thermistor R25(25?):5KO, 10KO, 50KO, 100KO etc. Precision: ±1%, ±2%, ±3%. 4. DC plug:3.5mm,6.3mm. 5. SS304 Probe:F3.6, F4, F5, F6mm. 6. Long life time: withstand over 10 years. 7. Various color and appearance can be customized.