<p>1. Real time temperature supervision.</p> <p>2. Higher\/Lower temperature alarm, push notification and buzzer alert</p> <p>3. Built- in Rechargeable Battery: Daily working need be powered by DC5V power adapter. The backup battery can continue to work for some hours after external power is outage.</p> <p>4. Temperature Unit is switchable (Centigrade or Fahrenheit).Users can switch the Celsius degree to Fahrenheit via App Setting Option.</p> <p>5. Temperature can be calibrated via App setting.</p> <p>6. Check the History Record of temperature anytime, one record per hour, can save 7 days datas.</p> <p>7. Multi -User Supervision Supported: you can click to share the device to other users .</p> <p>8. APP: Tuya Smart or Smart life</p> <p>Colour:As Shown</p> <p>Material:PC+Metal</p> <p>Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on.</p> <p>voltage: AC100-240V</p> <p>Due to different batches, there may be differences in product appearance and printed text, which will not affect use</p> <p>Package Contents:</p> <p>1 * Wifi Temperature Sensor</p> <p>1 * 1 Meter Wire</p>