This thermometer is very sensitive device, obtaining results accurately and quickly. Its different from the glass mercury thermometer.Its easy to use、quick response and high accuracy、memory and beeper singals, especially without mercury,so its safe to use. Specifications: Range: DCT-1C 32℃----42℃ DCT-1F 89.6 F---107.6 F Accuracy:DCT-1C 0.1℃（between 35℃and39℃） 0.2℃（under 35℃ or over 39℃） DCT-1F 0.2 F（between 95Fand102.2F） 0.4 F（under 95F or over 102.2F） Display: Liquid crystal display,3 1/2 digits Power consumption: 0.15 mw Battery model: Button battery LR/SR-41,AG3. Battery life: Abuot 100 hours under continuous operation Alarm:Approx 5 secs sound signal when peak temperature reached