This shot timer is crucial to getting your extractions spot on. Has big numbers so you can quickly see where your extraction is up to. The unit is hard wearing and will with stand knocks around the coffee prep area. Has 3 ways of standing either by the magnet at the back it can clip onto an edge or can stand via the flip stand on the back. Has 3 modes:Timer Clock or Count up.A must for every espresso machine. Battery included.