Description:This controller can generate a PWM signal functions, the board has a jumper, you can set the default selection provided in the pulse frequency signal.Specification:Power supply voltage: 15-160V / 5-12VFrequency: High: 5.8KHZ-127KHZ, Mid: 590HZ-15.8KHZ, Low: 82HZ-2.3KHZSize: Approx. 50 x 51 x 37mm / 1.97 x 2 x 1.45inchWeight: 50gQuantity: 1pcPackage List:1 x PWM GeneratorNote:1.If you use to start or stop the function, ENA controller enable terminal must be connected to common cathode or common anode drive.2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering