ITEM NAME:12V to 3.3V Vehicle Power Supply Module Waterproof DC to DC buck Conve YKF Descriptio n Description Features: 100% brand new and high quality. Waterproof Non-isolated Specification: Material: plastic Color: picture color Size: 37 * 26 * 22 mm Input voltage: dc6-22 (make sure your input voltage is greater than 3V of the output voltage) Output voltage: 3.3v Output voltage: 9.9w Output current: 3A MAX 9V 2A Conversion efficiency: up to 90% Installation line length: 13-14cm Working temperature: - 40-80 Â ° C Product list : 1pcs on-board power converter Protection function: over current protection, short circuit protection, over temperature protection, reverse connection protection We offer you what you need! 12V to 3.3v Vehicle Power Converter DC-DC Buck Module.12V to 3.3v Vehicle Power Converter DC-DC Buck Module. Output current: 3A MAX 9V 2A. Protection function: over current protection, short circuit protection, over temperature protection, reverse connection protection.