A novel sensing device having a unique structure, for measuring volume, position or mass of matter comprising of a housing having a removable top, a permanent bottom, an electronic oscillator board having plurality of electronic components for measuring volume, position, or mass of matter. The book index includes a word hash that represents unique words and an offset to a location list that stores locations for each instance of the unique word. The vacuum unit includes an exhaust port in fluid communication with the waste container for releasing a waste liner from the waste container. The voltage detection circuit may communicate with the sensing circuit and may output a first signal that turns the switch OFF when the voltage of the power storage device is greater than or equal to a first voltage and may output a second signal that turns the switch ON when the voltage of the power storage device is less than or equal to a second voltage.