DC to DC Converter 9V/12V/24V to 5V 2A USB Step Down Power Module Car Charger Specification: For mobile power, mobile phones, tablets, and any USB 5V powered devices. Input: 7.5V-28V Output: 5V / 3A Conversion efficiency: 96% (Max) Switching Frequency: 1.5MHZ (Max) Typical 1MHZ Working temperature: -40 ℃~+ 85 ℃ Load capacity: Maximum output 3A, Typical 2A Material: PCB Color: Blue Size: 43mm x 16mm x 5mm (LxWxH)