The Volvo tachograph is an essential device for monitoring and recording the driving and rest times of truck drivers. It is compatible with the following part codes: 20879737, 21089527, 21386632, 21593391, 21930329, 22081534, 22587509, 20728036, 21386622, 85013101, 85013506, 21593381. This tachograph has a robust design, specific to Volvo equipment, built to withstand difficult operating conditions. The device includes a digital screen for displaying data and control buttons for easy navigation. Its approximate dimensions are 21 cm in width and 20 cm in length, according to the ruler illustrated in the picture.