When fired, the transvice emits a white light, which dissolves anything it hits into air. It is unknown what happens to the victims at this point, but it is presumed that they die when their molecules are disassembled.
It needs to be charged to be ready for use.
The only two known transvices known in the series are recovered from the armory of a berg that Mark and Alec stole from the PFC. The pair use them in an attempt to rescue Trina and Deedee. Both are lost at separate points by Mark.