This is a 36V, 24A, brush / brushed controller. Voltage: 24V, Electric Current: 24A, Off Voltage: 31.5±1V. Case dimensions are 9.3cm x 6.4cm x 3cm (LxWxH). These types of controllers are commonly (though not exclusively) used for electric scooters, mobility scooters, dirt bikes, ATVs and other electric powersports or personal transportation products