WT-1

  • Temperature range: -50℃~+300℃ (-58℉~+572℉) 
  • Distinguishing rate: 0.1℃(⩽100℃); 0.5℃(>100℃)
  • Accuracy: (-20℃~80℃)±1℃
  • Power voltage:DC 1.5V (LR44)

FT-3010

  • Temperature range:
  • Body 22.0~43℃ (71.6~109.4℉)
  • Surface 0℃-100℃ (32-212℉)
  • Distinguishing rate: 0.3℃(22~42℃); 0.5℃(out off 22~42℃)
  • Power voltage:DC 3V (2xAA)