1. Real-time temperature monitoring.<br> 2. High/low temperature alarm with push notifications and buzzer alert.<br> 3. Built-in rechargeable battery: Device operates using a DC5V power adapter. Backup battery provides several hours of operation during power outage.<br> 4. Switchable temperature unit (Celsius or Fahrenheit). Users can change between units via the app settings.<br> 5. Temperature calibration available through app settings.<br> 6. View temperature history records anytime, with one record saved per hour for up to 7 days.<br> 7. Supports multi-user supervision: Share device access with other users via the app.<br> 8. Compatible with Tuya Smart or Smart Life apps. Plug type: EU plug, suitable for use in Indonesia, Germany, France, Italy, and other compatible regions.<br> Color: As shown in image.<br> Material: Plastic.<br> Package Contents: 1 x Wi-Fi Temperature Sensor, 1 x 3-meter wire.<br> Note: Only the items listed above are included. Light reflection and display differences may cause slight color variation between the image and the actual product. Measurement error allowance: +/- 1-3 cm.