Kimdrox Adjustable Voltage Regulator DC/DC 8-22V to 1-15V 5V 12V Regulated Volt Power Supply Converter Step Down Module 3A Module Name: DC buck module (Synchronous rectification);Dimensions: 34 x 25 x 20mm Input voltage: DC 8-22V;Output voltage:1-15V (adjustable,please ensure that the input voltage is higher than the output 3V);Output current: 3A Max. (2A,long-term work does not need to enhance heat dissipation) Conversion efficiency: up to 96%;Static power consumption: about 12mA;Ripple output: About 100mV ( 12V to 5V/3A) Operating temperature: -20 c to +60 c ( Industrial grade ), -40 c to 80 c (limit) Short circuit protection;Reverse polarity protection;Over-current protection;Over-temperature protection;Shockproof, moistureproof, dust-proof