This versatile device allows you to convert voltage, catering to the specific requirements of different devices. Its stable output ensures a consistent voltage, safeguarding your devices from voltage and prolonging their lifespan. Perfect for car use, it provides a reliable power supply for car devices, ensuring their smooth operation even during . Its compact and portable design allows for easy installation and use in various situations. Furthermore, it is engineered with high efficiency and energy-saving capabilities, delivering a stable power output while minimizing energy consumption. Features -Color:Black -Material:ABS -Size:16.50X6.50X1.50cm/6.48X2.55X0.59in -Input voltage: 12V (22V max) -Output current: 4A(Short time) -Switching frequency: 340KHz -Load adjustment rate: ±0.5% -Operating temperature: -40 degree centigrade to +85 degree centigrade -Output voltage: 3V 4.2V 5V 9V -Conversion efficiency: 96%(max) -Output ripple:30mV(max) -Voltage regulation: ± 2.5% -This versatile device allows you to convert voltage, catering to the specific requirements of different devices. -Its stable output ensures a consistent voltage, safeguarding your devices from voltage and prolonging their lifespan. -Perfect for car use, it provides a reliable power supply for car devices, ensuring their smooth operation even during . -Its compact and portable design allows for easy installation and use in various situations. -Furthermore, it is engineered with high efficiency and energy-saving capabilities, delivering a stable power output while minimizing energy consumption. Package list: 1 x voltage stabilizer