A wireless terminal may include a sensor unit that generates data, a wireless communication unit that wirelessly transmits the data, a main power supply unit that supplies power to the sensor unit and the wireless communication unit, a determination unit that determines a level of transmission urgency of wireless transmission of the data; and a control unit that controls the wireless communication unit to wirelessly transmit the data, the control unit executing control to inhibit the wireless communication unit from using power supplied from the main power supply unit when causing the wireless communication unit to wirelessly transmit the data of which the transmission urgency is determined to be low by the determination unit.