3.5-30V Step-down HB LED Driver ModuleWorking voltage: DC 3.5-30V(Perfect for 3.7V 5V 6V 9V 12V 18V 24V LED Driver)Output Current: 0-910MA;By changing the RCS resistance, the maximum drive current can be changedMaximum output power: 20WCurrent regulation: Through PWM controlSingle pin ON/OFF and brightness control using PWMSimple low parts countWide input voltage range: 3.5V to 30VUp to 910MA output currentPWM dimming3% output current accuracy.Up to 1MHz switching frequencyTypical 3% output current accuracyInherent open-circuit LED protectionHigh efficiency (up to 94%)Adjustable Constant LED CurrentHigh-Side Current SenseHysteretic Control: No CompensationSoft Over Temperature ProtectionTypical Application:Low voltage halogen replacement LEDsAutomotive lightingLED back-up lightingIlluminated signsCar LED lightsStage lightsThe printing/appearance from batch to batch, but it not affect the use; the actual product may have color difference due to different light or display.Colour:WhiteMaterial:PCBPackage Contents:1 x Step-down HB LED Driver ModuleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.