SMAKN&reg; Waterproof DC/DC Converter 12V (10-30V) Step UP to 48V/4A 192W Power Supply Module Input voltage: DC 12V (10-30V). Output parameter:48V 4A 192W. Size: 74*74*32mm. Net weight: 300g. Package Includes: 12V to 48V 4A. 192W