Real time clock : Maxim DS3234 - Accuracy : 2 ppm (0.17 sec/day, ≈ 1 min/year) - Backup battery CR1225
Local storage : microSD card up to 2 GB
Connectivity with control software - Wired : FTDI cable 3.3V @230.4 Kbps - Wireless : Bluetooth 2.4 GHz Class-2 @230.4 Kbps – 10 m range
Magnetic reset switch
Spirit level indicator
LED indicators - Power - Charge - Device operational status
Power - External power supply 5V/1A - Rechargeable Lithium Polymer backup battery 3.7V 850 mAh
Power consumption - On external power : 11.5 / 53.5 / 18.5 mA (no BT / BT standby / BT paired) - On battery : 7.35 / 49.5 / 14.5 mA (no BT / BT standby / BT paired)
Dimensions - PCB : 112 × 38 mm - Bluetooth module : 35 × 17 mm - Enclosure : 120 × 65 × 40 mm