• CE + FCC + RoHS + IP67 certifications
  • Nordic Semiconductor nRF52832 System-on-Chip Software Radio
    • ARM® Cortex™-M4F CPU
    • 512kB Flash Memory + 64kB RAM
    • Hardware support on-chip for Bluetooth 5
    • Support for multiple protocols including
  • STMicroelectronics LIS2DH12 accelerometer
    • 3-axis, ±2 g / ±4 g / ±8 g / ±16 g, 1 Hz - 5.3 kHz
    • Ultra-low power consumption
      • 2 µA @ 1 Hz
      • 6 µA @ 50 Hz
      • 0.5 µA @ Power-down
    • 2 independent programmable interrupt generators for free-fall and motion detection
  • Bosch BME280 environmental sensor
    • Ultra-low power consumption
      • 3.6 µA @ 1 Hz humidity + pressure + temperature
      • 0.1 µA in sleep mode
    • Operating range
      • -40 ... +85 °C, 0 ... 100 % rel. humidity, 300 ... 1100 hPa
    • Temperature
      • Absolute accuracy ±0.5 °C @ 25 °C, ±1 °C @ 0-25 °C, output resolution 0.01 °C
    • Relative humidity
      • Accuracy tolerance ±3 %, Hysteresis ±1 %
    • Air pressure
      • RMS Noise 0.2 Pa, equiv. to 1.7 cm
      • Offset temperature coefficient ±1.5 Pa/K, equiv. to ±12.6 cm at 1 °C temperature change
  • Embedded NFC™-A tag antenna
  • 1000 mAh CR2477 Li/MnO2 battery (included)
    • Up to several year battery life (depending the software used)
  • Max operating temperature: -40 ºC to +85 ºC (electronics and enclosure)
    • Recommended -20 ºC to +65 ºC (above these limits an extended temperature range battery is required, not included)
  • 2 buttons
  • 2 LEDs
  • 45 mm diameter (circuit board)
  • 52 mm diameter (enclosure)
  • Waterproof enclosure (included)
    • High-quality & long-lasting polycarbonate
    • Gore IP67 certified vent membrane
    • Lubricated industrial-grade O-ring