KNACRO DCDC 12V to 9V 2A StepDown Power Supply Module Car Power Converter Module Synchronous Buck with Reverse Connection Protection

Properties: BUCK synchronous buck power supply Input voltage: 12V . Output voltage: 9V. Output Current: 2A MAX . Conversion efficiency: up to 96%. Static power consumption: only about 12mA. Working temperature: -25 + 65 Industrial. Protection: input reverse polarity, over-current, over-temperature protection, short circuit protection . Input / Output line length: about 13 ~ 4CM, copper wire. Body size:30*21*17mm/1.18*0.83*0.67in. Weight:12g/0.43oz. Special Note: This power does not have waterproof rainproof function. Pckage Included: 1*DC-DC 12V to 4.2V 2A Step-down power supply module