Measurement stroke (mm): Displacement amount 0 to 50 Minimum resolution (mm): 0.1 Measurement accuracy (mm): ±2.5 Communication method: Bluetooth 4.2 Communication distance: 1m or more *Sampling rate by receiving terminal: 10/50/100hz Analog signal output: 0.0 to 3.3V Operating environment: Temperature 10℃至40℃,湿度:35至80%RH 防水:无 电源(V):电池锂离子电池 电源:电池锂离子电池