- Built-in rechargeable lithium battery.
- USB Type-C charging interface.
- No app installation required; temperature and battery level can be checked via computer or mobile device.
- Uses LTE-M technology for continuous connection to the base station while the device is moving, allowing real-time upload of device location and temperature.
- Device location and temperature can be checked in real-time via a dedicated web page.
- Temperature history and device movement trajectory can be viewed via a dedicated web page.
- When the connection to the base station is lost, the device automatically switches to record-and-store mode. Once reconnected, stored temperature records are uploaded. Can store up to 200 temperature records.
- Abnormal temperature alerts via SMS (optional).
- When battery level is low, LED1 flashes red as a warning.
- During charging, LED2 lights green; LED2 turns off when fully charged.
General Specifications
| Characteristic | Specification |
| Battery Type | 3.7V Lithium Battery |
| Battery Capacity | 820 mAh |
| Charging Voltage | DC 5V |
| Indicator LEDs | LED (Green, Red) |
| Temperature Sensor Range | -10 ~ 50°C |
| Temperature Sensor Accuracy | ±0.5°C |
| Operating Temperature | -10 ~ 60°C |
| Operating Humidity | 0 ~ 95% |
| Housing Material | ABS |
| Dimensions (L x W x H) | 62 x 62 x 20 mm |
| Weight | Max 55 g |
