Item Type: Electric Bike Controller Material: Aluminum Alloy Weight: Approx. 611g/21.55oz Color: As Shown Size: Approx. 17.1x8.3x4.1cm/6.73x3.27x1.61in Rated Voltage: DC Universal for 36V, 48V Rated Current: 17A Low Pressure Protection: DC 30V0.5V, 40V0.5V Maximum Current: 352A Speed Setting: 1-4.2V Brake Input: Low Level Package List 1 x Electric Bike Controller 1 x Use Manual Must be used with matching meters for KT. 1Aluminum Alloy: The electric bike controller is made of premium aluminum alloy, wear resistant, corrosion resistant, durable and has a long service life. 2Avoid Thermal Overload: The electric bike motor controller has grooved shell, its good heat dissipation can protect the wire from damage and avoid thermal overload. 3Overtemperature Protection: When the temperature is too high, the controller will cut off the current to protect the safety of the whole system. 4Suitable: The electric bike aluminum alloy controller is suitable for 36V, 48V 1500W motor, you can use it for corresponding motor to meet your needs. 5Stable: The controller board is very stable and uses 12 stable metal oxide semiconductor tube, which make it can withstand up to 35A currents in a short period of time.