Yeeco DC Buck Converter, DC 7-60V 9V 12V 24V 32V 36V 48V to 5V DC-DC Step Down Voltage Regulator Converter 5A Volt Transformer Board Power Supply Module 4 USB Output Mobile Phone Power Voltage buck converter input 7-60V and output 5V; Voltage converter output different current with different voltage; Power supply reducer module with short circus protection and power reverse protection 4 USB output interfaces volt stabilizer regulation, you can use to charge four electronics in the same time; Universal step down power supply module with fast-charge recognition chip, compatible with Android and Iphone, no need to concern about compatibility Reliable step down converter with 55x21mm DC input socket, convenient for you to connect with power supply; Step down voltage regulator also has solderless terminal input and output, you can use it as common buck converter High efficiency voltage reducer board, 95% conversion efficiency and low heat generated; Easy to install and keep, comes with acrylic, setting pillars and screws, protective shell wonderful to protect the module board DC-DC converter ideal to charge smartphone and other electronics, power supply voltage regulator, DIY power supply