Button SOS Wristband

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

Documents