DROK Waterproof Synchronous Buck Converter DC 11.5-35V 12V/24V to 9V 5A Power Supply Module Input voltage: 11.5-35V Output voltage: 9V Output Current: 5A, peak 7.5A (4.5A or less long-term work) Synchronous rectification, the maximum conversion rate up to 95%, low fever Short-circuit protection, overcurrent protection