Hook scale WM3P2 30x40A(H) is equipped with a backlit LCD display with large digits. Its main element is inductive transmitter, overload-proof, and reliable operating, for which MENSOR  company provides  5 year warranty. Inside the housing there is a small size Li-ion battery and charging system with  stabilized power supply  12V/100mA. Scale features are: tare, reading  function  reading of increasing resolution over the entire range of measurement,  remembering of the last result of weighing and an additional filter which dumps the movement  of weighing object in the indication of the scale . To the lower hook of the scale, you can connect the ear hook or shackle.