... method :PWM 3CH power supply amplifier (built-in power supply)Summary:This product is developed ... rigid light strip, flexible light strip, RGB panel light, RGB modules and so on . ... -circuit protection to avoid damage to controller caused by wrong connection among wires, ... MAXSignal channels3CHDimmer methodPWMOutput channels3CHOutput power72w/144w(12v/24v)Connection modecommon anodeWorking temperature-20 ...