Mini magnetic stirrer without heating, with a brushless motor and a 30 mm stir bar, powered by a DC12V 1A adapter. The LMS3 is knob-controlled without a display (350-1800 rpm, 1 L maximum); the LMS5 adds an LCD display (350-1800 rpm, 2 L maximum); the LMS5S offers digital plus knob control (200-2000 rpm, 2 L maximum). Per-model details are listed in the comparison table below.