IOTDC Shaking sensor is a long range wireless sensor. It sends data when it detects any movement/shaking/vibration. So it can be monitored whether something or somebody is stable/moving or not. This sensor is fully compatible with LPWAN technology by using NB-IoT(Narrowband-IoT). The standard version of this sensor is powered by one replaceable 3.6 V AA sized battery (included with purchase).