-Bluetooth 4.0
-Features: ibeacondata, but eddystonedata is optional
-Chipset: N51822256KB
-MCU: ARM
-Memory (RAM): 16KB
-Bluetooth range: over 100m in open air
-Battery type: CR2477
-Operating voltage: 1.8v -3.6v
-TX Power -20 to +4 dBmin 4 dB steps
-Sensors could be optional
-Working current: 3.6μA standby average, 21μA normal average
-Certifications: FCC/CE/MFI/RoHS
-Side Pins for debugging: VCC, GND, SWDCLK, SWDIO
-Working time: 58monthsbased on broadcasting rate 1second
-PCB size: 34*34*7.5 mm
-Housing size: 40*40*16.5mm
-Weight: 40g