Automatic temperature measurement and wash-free disinfection machine 1. Digital measurement display mode: Fahrenheit temperature (32-212) or Celsius temperature (0-100) 2. Accuracy tolerance: ±0.4/±0.2 3. Ambient temperature adaptability: put the device in the operating environment for 30 minutes before use 4. Reading distance: 2-8 inches / 5-20cm 5. Fast response time: 500ms (0.5sec) reading and 10sec standby time 6. Working wave frequency: 5 microns 7. Two modes: body mode; surface mode