Specifications
Paremeters
| Dimensions (L*W*H) | 48.9mm * 41.7mm * 12mm | 
| Range | Up to 150 meters (492 feet) in open areas | 
| Battery type | lithium coin CR2032 battery | 
| Battery capacity | 220mAh | 
| Default Battery lifetime | Up to 13 months | 
| Battery replacement | Yes | 
| Firmware update | Over the Air (OTA) | 
| Antenna type | Printed Circuit Board (PCB) | 
| Sensors | Mifare Classic 1k EV1 RFID 3-axis accelerometer sensor | 
| LED | It uses one red LED light | 
| Material | ABS+PC & TPU | 
| Bluetooth standard | Bluetooth 5.1 | 
| Environmental conditions | Operational temp: -20°C/ +60°C Storage temp: -20°C/ +60°C( battery not installed) 10°C/ 25°C (battery installed) Humidity: 0% - 95% (non-condensing) | 
| Protocols | Eddystone & iBeacon: URL, TML and UID | 
| Installation | You need a Neck chain, Wristwear, Keychain, and Hang | 
| Waterproof | IP67 | 
| Button | Mechanical button | 
| Main Chip used | Nordic nRF52811 | 
