ITEM NAME:LM2596 LM2596S Dual USB DC-DC 9V 12V 24V 36V to 5V 3A Step Down Buck Conver V1S3 LM2596 LM2596S Dual USB DC-DC 9V 12V 24V 36V to 5V 3A Step Down Buck Conver V1S3 Name: Double USB output module 3A Step-Down Input: 6V-40V (DC5.5/2.1 port, connecting terminal) Output: 5V / 3A (MAX)(With Identification resistance for Apple) Efficiency: 92% (MAX) Switching frequency: 150KHZ Working temperature: -40 Celsius - + 85 Celsius Load capacity: Maximum output 3A (Connect with two phones simultaneously) Scope: mobile power, mobile phones, flat-panel.Output: 5V / 3A (MAX)(With Identification resistance for Apple). Load capacity: Maximum output 3A (Connect with two phones simultaneously). Net weight: approx. Product Size: approx.