This project started almost two years ago and has gone through 8 hardware revisions. The Kickstarter product contains:

1) nrf52840 64MHz BLE 5.1 processor with 1MB of flash and 256KB of RAM

2) SX1262-based LoRa radio with up to 7 miles of range

3) Piezo speaker

4) Dual-mode LiPo battery charger

5) 2 LEDs

6) Micro-USB connector for power and i/o

7) Zephyr open-source OS drivers

8) Bluetooth firmware upgrading

9) Available I2C, SPI, Qwiic ports for adding sensors.