Package Included: 1 x DC-DC Auto Converter XL6009 Module Model Specification: DSN6000AUD Auto Buck Module Module Properties: Non-Isolated Boost?(BOOST) Rectification: Non-synchronous rectification Input range: 3.8V - 32V Output range: 1.25V - 35V Input current: 3A (max), no load 18mA (input 5V, output 8V, no load is less than 18mA. The higher the voltage, the higher the load current). < br /> Efficiency?conversion: & amp;?lt;?94% (the higher the pressure, the lower the efficiency) Switching frequency: 400KHz Output ripple: 50mV (the higher the voltage) e, the higher the current, the greater the ripple) Load regulation: & amp;?plusmn;?0.5% Voltage regulation: & amp;?plusmn;?0.5% Operating temperature: -40 - +85 Dimensions: 48mm x 25mm x 14mm (L x W x H)